Sierpinski conjecture reservations

Started: Dec. 14, 2007
Last update: May 1, 2025

Compiled by Gary Barnes

Riesel conjectures
Riesel conjectures powers of 2
Riesel conjecture reservations
Sierpinski conjectures
Sierpinski conjectures powers of 2

Green = testing through other projects
Gray = conjecture proven
Yellow = reserved

Testing not done through other projects is coordinated at Mersenneforum Conjectures 'R Us.

Base	Sierpinski k testing (n-range completed)	Sierpinski k/ reserved by/ n-range reserved/ last status date	Sieve file(s)/ general info.
2	21181 (42.9M) 22699 (42.8M) 24737 (42.6M) 55459 (42.7M) 67607 (42.7M)	(all k's) SOB project 50M 2025/02/10	All k's are worked on by PrimeGrid's Seventeen or Bust project.  See k's and test limits at Seventeen or Bust stats. k = 21181 testing is the same as bases 4 and 16 for the same k-value. k = 22699 and 55459 testing are the same as base 4 for the same k-value. k = 24737 testing is the same as base 4 k = 49474.
2 2nd conjecture	79309 (34.8M) 79817 (34.4M) 90646 (10M) 91549 (27.5M) 101746 (10M) 131179 (27.6M) 152267 (34.1M) 156511 (35.6M) 163187 (27.5M) 200749 (27.5M) 209611 (27.5M) 222113 (34.7M) 225931 (34.3M) 227723 (27.5M) 229673 (27.6M) 237019 (35.5M) 238411 (27.5M)	79309 * 50M 2025/02/10 79817 * 50M 2025/02/10 90646 (available)     101746 (available)     152267 * 50M 2025/02/10 156511 * 50M 2025/02/10 222113 * 50M 2025/02/10 225931 * 50M 2025/02/10 237019 * 50M 2025/02/10 (other k's) Extended Sierpinski problem project 50M 2025/02/10	Only 78557<k<271129 are considered. * Prime k's are worked on by PrimeGrid's Prime Sierpinski Problem project.  See k's and test limits at Prime Sierpinski stats. Composite odd k's are worked on by PrimeGrid's Extended Sierpinski Problem project.  See k's and test limits at Extended Sierpinski stats. sieve-S2-2nd-conj-evenk-10M-16.777M.txt
2 even-n	none	proven	Only k's where k = = 3 mod 6 are considered. See additional details at The Liskovets-Gallot conjectures.
2 odd-n	9267 (16M) 32247 (10M) 53133 (10M)	9267 Jean Penne 16.777M 2025/03/26 (other k's) (available)	Only k's where k = = 3 mod 6 are considered. See additional details at The Liskovets-Gallot conjectures. k = 9267 and 32247 testing are the same as base 4 k = 18534 and 64494. sieve-S2-oddn-10M-16.777M.txt
3	363578 k's remaining at n>=50K. See k's and test limits at Sierpinski Base 3 remain.	<=34G (available)     34G-40G rogue 100K 2025/04/09 >40G (available)	sieve-sierp-base3-30G-40G-50K-100K.zip
4	18534 (8M) 21181 (21.45M) 22699 (21.4M) 49474 (21.3M) 55459 (21.35M) 64494 (5M)	18534 Jean Penne 8.388M 2025/03/26 64494 (available)     (other k's) SOB project 25M 2025/02/10	k's where k = = 1 mod 3 are worked on by PrimeGrid's Seventeen or Bust project.  k's, test limits, and primes are converted from base 2. k = 18534 and 64494 testing are the same as base 2 odd-n k = 9267 and 32247. k = 21181 testing is the same as bases 2 and 16 for the same k-value. k = 22699 and 55459 testing are the same as base 2 for the same k-value. k = 49474 testing is the same as base 2 k = 24737.
5	27 k's remaining at n=5.4M. See k's at Sierpinski Base 5 remain.	(all k's) Sierpinski/Riesel base 5 project 25M 2025/04/09	All k's are worked on by PrimeGrid's Sierpinski/Riesel Base 5 project.  See k's and test limits at Sierpinski/Riesel Base 5 project stats. k = 6436, 7528, and 10918 are the same as bases 25 and 625 for the same k-value. k = 36412, 45748, 58642, 60394, 62698, 64258, 74632, and 93484 are the same as base 25 for the same k-value. k = 26798 is the same as base 25 k = 133990. k = 31712 is the same as base 25 k = 158560. k = 41738 is the same as base 25 k = 208690. k = 44348 is the same as base 25 k = 221740. k = 44738 is the same as base 25 k = 223690.
6	13215 (4M) 14505 (4M) 50252 (4M) 76441 (4M) 87800 (4M) 97131 (4M) 112783 (4M) 127688 (4M) 166753 (4M) 168610 (4M)	(all k's) (available)
7	19909 k's remaining for k<=1G at n>=25K. See k's and test limits at Sierpinski Base 7 remain.	(all k's) (available)
8	none	proven
9	none	proven
10	7666 (5M)	7666 (available)	Partially sieved file: sieve-sierp-base10-5M-10M.txt
11	none	proven
12	none	proven
13	none	proven
14	none	proven
15	10362 k's remaining for k<=1G at n>=25K. See k's and test limits at Sierpinski Base 15 remain.	(all k's) (available)
16	2908 (1M) 6663 (1M) 10183 (1M) 17118 (1M) 21181 (10.725M) 24582 (1M) 30397 (1M) 35818 (1M) 40410 (1M) 42745 (1M) 44035 (1M) 57867 (1M) 60070 (1M) 64620 (1M)	21181 SOB project 12.5M 2025/02/10 (other k's) (available)	k's where k = = 1 mod 15 are worked on by PrimeGrid's Seventeen or Bust project.  k's, test limits, and primes are converted from base 2. k = 21181 testing is the same as bases 2 and 4 for the same k-value. sieve-sierp-base16-1M-2M.zip
17	244 (5M)	244 (available)
18	none	proven
19	462 k's remaining at n=300K. See k's at Sierpinski Base 19 remain.	(all k's) (available)	Some k's testing are the same as base 361.
20	none	proven
21	none	proven
22	none	proven
23	none	proven
24	52 k's remaining at n=700K. See k's at Sierpinski base 24 remain.	(all k's) SRBase 800K 2025/04/12	k = 656, 2586, 3526, 4606, 5316, 5386, 7276, 7746, 8091, 9701, 9721, 10026, 10156, 10531, 12991, 13716, 15921, 17876, 18006, 18911, 19031, 20731, 29091, and 29566 testing are the same as base 576 for the same k-value. sieve-sierp-base24-700K-1M.zip
25	63 k's remaining at n>=800K. See k's and test limits at Sierpinski base 25 remain.	6436 * 12.5M 2025/04/09 7528 * 12.5M 2025/04/09 10918 * 12.5M 2025/04/09 36412 * 12.5M 2025/04/09 45748 * 12.5M 2025/04/09 58642 * 12.5M 2025/04/09 60394 * 12.5M 2025/04/09 62698 * 12.5M 2025/04/09 64258 * 12.5M 2025/04/09 74632 * 12.5M 2025/04/09 93484 * 12.5M 2025/04/09 133990 * 12.5M 2025/04/09 158560 * 12.5M 2025/04/09 208690 * 12.5M 2025/04/09 221740 * 12.5M 2025/04/09 223690 * 12.5M 2025/04/09 (other k's) SRBase 1M 2025/04/30	* k's < 159986 where k = = 1 mod 3 are worked on by PrimeGrid's Sierpinski/Riesel Base 5 project.  k's, test limits, and primes are converted from base 5. k = 6436, 7528, and 10918 are the same as bases 5 and 625 for the same k-value. k = 12864 testing is the same as base 625 for the same k-value. k = 36412, 45748, 58642, 60394, 62698, 64258, 74632, and 93484 are the same as base 5 for the same k-value. k = 133990 is the same as base 5 k = 26798. k = 158560 is the same as base 5 k = 31712. k = 208690 is the same as base 5 k = 41738. k = 221740 is the same as base 5 k = 44348. k = 223690 is the same as base 5 k = 44738. sieve-sierp-base25-800K-1M.zip
26	65 (2M) 155 (2M)	(all k's) (available)	sieve-sierp-base26-2M-3M.txt
27	398 (3.5M)	398 mdettweiler 4M 2025/04/17	sieve-sierp-base27-3M-5M.txt
28	871 (1M) 4552 (1M)	(all k's) (available)	sieve-sierp-base28-1M-3M.txt
29	none	proven
30	278 (1.4M) 588 (1.4M)	(all k's) mdettweiler 2M 2025/04/28	sieve-sierp-base30-1M-3M.txt
31	503 k's remaining at n=100K. See k's at Sierpinski Base 31 remain.	(all k's) (available)	sieve-sierp-base31-100K-500K.zip
32	none	proven
33	none	proven
34	none	proven
35	325 k's remaining at n=100K. See k's at Sierpinski Base 35 remain.	(all k's) (available)	sieve-sierp-base35-100K-500K.zip
36	none	proven
37	94 (1M) 1272 (1M) 2224 (1M)	(all k's) (available)	Partially sieved file: sieve-sierp-base37-1M-3M.txt
38	none	proven
39	259 k's remaining at n=100K. See k's at Sierpinski Base 39 remain.	(all k's) (available)	sieve-sierp-base39-100K-500K.zip
40	238 k's remaining at n=100K. See k's at Sierpinski Base 40 remain.	(all k's) SRBase 250K 2025/03/18	sieve-sierp-base40-100K-500K.zip
41	none	proven
42	988 (1M) 1117 (1M) 1421 (1M) 3226 (1M) 4127 (1M) 5503 (1M) 6707 (1M) 8298 (1M) 8601 (1M) 9074 (1M) 11093 (1M) 11717 (1M) 11738 (1M) 11912 (1M) 12256 (1M)	(all k's) (available)
43	166 (1M)	166 (available)	sieve-sierp-base43-1M-3M.txt
44	none	proven
45	2444 (400K) 4530 (400K) 4990 (400K) 6510 (400K) 6586 (400K) 6624 (400K) 7108 (400K) 8026 (400K) 10004 (400K) 15986 (400K) 19666 (400K) 20908 (400K) 21138 (400K) 24480 (400K) 26840 (400K) 29004 (400K) 32498 (400K) 34864 (400K) 34984 (400K) 37560 (400K) 45194 (400K) 49380 (400K) 52278 (400K)	(all k's) (available)	sieve-sierp-base45-400K-1M.zip
46	892 (700K) 976 (700K) 1132 (700K) 1798 (700K) 3477 (700K) 3961 (700K) 4842 (700K) 6015 (700K) 9918 (700K) 11686 (700K) 12585 (700K) 13725 (700K)	(all k's) (available)	sieve-sierp-base46-700K-1M.txt
47	none	proven
48	36 (700K) 62 (700K) 153 (700K) 561 (700K) 1114 (700K) 1168 (700K)	(all k's) (available)	sieve-sierp-base48-700K-1M.txt
49	1414 (1M) 1456 (1M)	(all k's) (available)
50	none	proven
51	3972 k's remaining at n=100K. See k's at Sierpinski Base 51 remain.	(all k's) (available)
52	3232 (500K) 3418 (500K) 8638 (500K) 9943 (500K) 15157 (500K) 15424 (500K) 15901 (500K) 17277 (500K) 18328 (500K) 19081 (500K) 23586 (500K) 24697 (500K) 25492 (500K) 25494 (500K) 26923 (500K) 27877 (500K)	(all k's) (available)	sieve-sierp-base52-500K-1M.zip
53	4 (3.24M) 62 (700K) 152 (700K) 184 (700K) 346 (700K) 866 (700K) 1066 (700K) 1084 (700K) 1154 (700K) 1174 (700K) 1238 (700K) 1298 (700K) 1328 (700K) 1414 (700K) 1426 (700K) 1838 (700K) 1862 (700K) 1892 (700K)	4 pepi37 3.5M 2025/04/30 (other k's) (available)	sieve-sierp-base53-k4-3M-5M.txt sieve-sierp-base53-700K-1M.txt
54	none	proven
55	36 (1M) 778 (1M) 2274 (1M) 3940 (1M)	(all k's) (available)	Partially sieved file: sieve-sierp-base55-1M-3M.zip
56	none	proven
57	none	proven
58	70 k's remaining at n=400K. See k's at Sierpinski Base 58 remain.	(all k's) (available)	sieve-sierp-base58-400K-500K.zip
59	none	proven
60	853 (500K) 1646 (500K) 2075 (500K) 4025 (500K) 4406 (500K) 4441 (500K) 5064 (500K) 6772 (500K) 7262 (500K) 7931 (500K) 10226 (500K) 11406 (500K) 12323 (500K) 13785 (500K) 14958 (500K) 15007 (500K) 15452 (500K) 15676 (500K) 16050 (500K)	(all k's) (available)	sieve-sierp-base60-500K-1M.zip
61	1642 (500K) 3442 (500K) 3936 (500K) 6852 (500K) 8772 (500K) 9208 (500K) 9268 (500K) 11626 (500K) 12778 (500K)	(all k's) (available)	sieve-sierp-base61-500K-1M.txt
62	none	proven
63	33140 k's remaining at n>=25K. See k's and test limits at Sierpinski base 63 remain.	(k's searched to n=25K) wombatman 50K 2025/01/03 (other k's) (available)	31819 k's that have been searched to n=25K are reserved. The remainder are available. See k's remaining page.
64	none	proven
65	none	proven
66	8840 k's remaining at n>=50K. See k's and test limits at Sierpinski base 66 remain.	(all k's) (available)	sieve-sierp-base66-5M-10M-50K-100K.zip sieve-sierp-base66-10M-end-50K-100K.zip
67	28 k's remaining at n=500K. See k's at Sierpinski Base 67 remain.	(all k's) (available)
68	17 (1M)	17 (available)	sieve-sierp-base68-1M-3M.txt
69	none	proven
70	10438 (1M)	10438 (available)	sieve-sierp-base70-1M-2M.txt
72	none	proven
73	none	proven
74	none	proven
75	1312 (1.5M)	1312 MisterBitcoin 1.75M 2025/03/30	sieve-sierp-base75-1.3M-3M.txt
76	none	proven
77	none	proven
78	120 k's remaining at n=100K. See k's at Sierpinski Base 78 remain.	(all k's) (available)
79	5594 k's remaining at n>=100K. See k's and test limits at Sierpinski base 79 remain.	(all k's) (available)
80	86 (500K) 92 (500K) 166 (500K) 370 (500K) 393 (500K) 472 (500K) 556 (500K) 623 (500K) 692 (500K) 778 (500K) 818 (500K) 968 (500K)	(all k's) (available)	sieve-sierp-base80-500K-1M.zip
81	1650 (504K) 2350 (504K) 2976 (533K) 3440 (504K) 3566 (504K) 3702 (504K) 4016 (504K) 5946 (504K)	(all k's) (available)	sieve-sierp-base81-504K-1M.txt
82	39 k's remaining at n=300K. See k's at Sierpinski Base 82 remain.	(all k's) SRBase 500K 2025/04/12	sieve-sierp-base82-300K-500K.zip
83	none	proven
84	none	proven
85	246054 k's remaining at n>=5K. See k's and test limits at Sierpinski Base 85 remain.	(all k's) (available)	sieve-sierp-base85-1M-50M-5K-10K.zip
86	8 (1M)	8 (available)	sieve-sierp-base86-1M-3M.txt
87	32 (1M)	32 (available)	sieve-sierp-base87-1M-3M.txt
88	244 (500K) 958 (500K) 1452 (500K) 1585 (500K) 1678 (500K) 2007 (500K)	(all k's) (available)	sieve-sierp-base88-500K-1M.txt
89	none	proven
90	none	proven
91	1678 (500K) 11706 (500K) 14236 (500K) 29970 (500K) 39492 (500K) 39582 (500K) 45058 (500K) 46042 (500K) 47080 (500K) 51036 (500K) 53742 (500K) 60466 (500K) 64792 (500K)	(all k's) (available)	sieve-sierp-base91-500K-1M.zip
92	none	proven
93	56 k's remaining at n=300K. See k's at Sierpinski Base 93 remain.	(all k's) SRBase 400K 2025/04/29	sieve-sierp-base93-300K-500K.zip
94	none	proven
95	365 k's remaining at n=100K. See k's at Sierpinski Base 95 remain.	(all k's) (available)
96	387 k's remaining at n=100K. See k's at Sierpinski Base 96 remain.	(all k's) (available)
97	66 k's remaining at n=300K. See k's at Sierpinski Base 97 remain.	(all k's) (available)	sieve-sierp-base97-300K-500K.zip
98	none	proven
99	none	proven
100	433 (1M) 922 (1M) 2145 (1M)	(all k's) (available)	sieve-sierp-base100-1M-3M.txt
101	none	proven
102	122 (500K) 178 (500K) 236 (500K)	(all k's) (available)	sieve-sierp-base102-500K-1M.txt
103	30 k's remaining at n=500K. See k's at Sierpinski Base 103 remain.	(all k's) (available)
104	none	proven
105	28 k's remaining at n=300K. See k's at Sierpinski Base 105 remain.	(all k's) SRBase 400K 2025/04/29	sieve-sierp-base105-300K-500K.zip
106	184 k's remaining at n=100K. See k's at Sierpinski Base 106 remain.	(all k's) (available)
107	38 (1M) 68 (1M)	(all k's) (available)	Partially sieved file: sieve-sierp-base107-1M-3M.txt
108	132 k's remaining at n=100K. See k's at Sierpinski Base 108 remain.	(all k's) (available)
109	none	proven
110	none	proven
111	526 (400K) 3646 (400K) 5230 (400K) 5998 (400K) 6992 (400K) 7260 (400K) 10200 (400K) 11530 (400K) 13630 (400K) 14958 (400K) 17970 (400K) 19200 (400K) 19298 (400K) 20532 (400K) 24242 (400K) 24296 (400K)	(all k's) (available)	sieve-sierp-base111-400K-1M.zip
112	1696 (1M)	1696 (available)	Partially sieved file: sieve-sierp-base112-1M-3M.txt
113	none	proven
114	none	proven
115	5538 (500K) 15748 (500K) 19228 (500K) 20214 (500K) 20394 (500K) 20620 (500K) 22068 (500K) 23286 (500K) 27346 (500K) 32160 (500K) 32808 (500K) 33958 (500K) 36984 (500K) 37032 (500K) 37090 (500K) 41598 (500K) 42484 (500K) 44224 (500K) 45558 (500K)	(all k's) (available)
116	none	proven
117	1474 (1M)	1474 (available)	Partially sieved file: sieve-sierp-base117-1M-1.5M.txt
118	48 (1M)	48 (available)
119	none	proven
121	none	proven
122	34 (1M)	34 (available)	sieve-sierp-base122-1M-2M.txt
123	404 (500K) 650 (500K) 1816 (500K) 1826 (500K) 1952 (500K)	(all k's) (available)	sieve-sierp-base123-500K-1M.txt
125	none	proven
126	1217 k's remaining at n=25K. See k's at Sierpinski Base 126 remain.	(all k's) (available)
128	40 (1.2857M)	40 (available)	Partially sieved file: sieve-sierp-base128-1.2857M-3M.txt
129	none	proven
130	1572 k's remaining at n=25K. See k's at Sierpinski Base 130 remain.	(all k's) (available)
131	none	proven
132	none	proven
133	88 (500K) 1138 (500K) 1336 (500K)	(all k's) (available)	sieve-sierp-base133-500K-1M.txt
134	none	proven
135	222 (500K) 734 (500K) 766 (500K) 1106 (500K)	(all k's) (available)	sieve-sierp-base135-500K-1M.txt
136	58 k's remaining at n=100K. See k's at Sierpinski Base 136 remain.	(all k's) (available)
137	none	proven
138	211 (500K) 344 (500K) 678 (500K) 1188 (500K) 1444 (500K) 1494 (500K) 1818 (500K) 2371 (500K) 2627 (500K)	(all k's) (available)	sieve-sierp-base138-500K-1M.zip
139	none	proven
140	8 (1M)	8 (available)	sieve-sierp-base140-1M-2M.txt
141	282975 k's remaining at n>=2.5K. See k's and test limits at Sierpinski Base 141 remain.	(all k's) (available)
142	none	proven
143	117 k's remaining at n=100K. See k's at Sierpinski Base 143 remain.	(all k's) (available)
144	none	proven
145	264 k's remaining at n=100K. See k's at Sierpinski Base 145 remain.	(all k's) (available)
146	none	proven
147	37 k's remaining at n=100K. See k's at Sierpinski Base 147 remain.	(all k's) (available)
148	2361 (1M)	2361 (available)	Partially sieved file: sieve-sierp-base148-1M-3M.txt
149	none	proven
150	69 k's remaining at n=100K. See k's at Sierpinski Base 150 remain.	(all k's) (available)
151	92 k's remaining at n=200K. See k's at Sierpinski Base 151 remain.	(all k's) (available)
152	none	proven
153	none	proven
154	none	proven
155	4 (1.915M)	4 pepi37 2M 2025/04/30
157	1174 (1M) 1228 (1M)	(all k's) (available)
158	none	proven
159	none	proven
160	none	proven
161	122 (300K) 560 (300K) 632 (300K) 892 (300K) 1228 (300K) 1600 (300K)	(all k's) (available)	sieve-sierp-base161-300K-1M.txt
162	1248 (500K) 1438 (500K) 2609 (500K) 3096 (500K) 4831 (500K) 5869 (500K)	(all k's) (available)	sieve-sierp-base162-500K-1M.txt
163	12 (500K) 94 (500K) 1188 (500K) 1242 (500K) 1272 (500K) 1986 (500K) 2008 (500K) 2298 (500K) 2362 (500K) 2656 (500K) 2712 (500K) 3552 (500K) 3648 (500K)	(all k's) (available)	sieve-sierp-base163-500K-1M.zip
164	none	proven
165	1252 (1M)	1252 (available)	Partially sieved file: sieve-sierp-base165-1M-5M.txt
166	85 k's remaining at n=100K. See k's at Sierpinski Base 166 remain.	(all k's) (available)
167	none	proven
168	70 k's remaining at n=100K. See k's at Sierpinski Base 168 remain.	(all k's) (available)
169	none	proven
170	none	proven
171	988 (500K) 1420 (500K) 3998 (500K) 4448 (500K) 9418 (500K) 10356 (500K) 10708 (500K) 11826 (500K) 13290 (500K) 13698 (500K) 13716 (500K)	(all k's) (available)	sieve-sierp-base171-500K-1M.zip
172	none	proven
173	none	proven
174	4 (1M)	4 (available)	sieve-sierp-base174-1M-3M.txt
175	2285168 k's remaining at n=2.5K. See k's at Sierpinski Base 175 remain.	(all k's) (available)
176	none	proven
177	446 (500K) 558 (500K) 1074 (500K) 1158 (500K) 1622 (500K) 1868 (500K) 2226 (500K) 2250 (500K) 2758 (500K) 3292 (500K)	(all k's) (available)	sieve-sierp-base177-500K-1M.zip
178	126 (300K) 357 (300K) 480 (300K) 550 (300K) 639 (300K) 688 (300K) 730 (300K) 844 (300K) 859 (300K) 867 (300K) 1461 (300K)	(all k's) (available)	sieve-sierp-base178-300K-1M.zip
179	none	proven
180	11737 k's remaining at n>=10K. See k's and test limits at Sierpinski Base 180 remain.	(all k's) (available)	sieve-sierp-base180-10K-25K.zip
181	none	proven
182	8 (1M)	8 (available)	sieve-sierp-base182-1M-3M.txt
183	none	proven
184	none	proven
185	10 (1M)	10 (available)	Partially sieved file: sieve-sierp-base185-1M-3M.txt
186	none	proven
187	none	proven
188	none	proven
189	none	proven
190	2909 k's remaining at n=25K. See k's and test limits at Sierpinski Base 190 remain.	(all k's) (available)
191	52 (500K) 68 (500K) 172 (500K)	(all k's) (available)	sieve-sierp-base191-500K-1M.txt
192	56 k's remaining at n=100K. See k's at Sierpinski Base 192 remain.	(all k's) (available)
193	39 k's remaining at n=100K. See k's at Sierpinski Base 193 remain.	(all k's) (available)
194	none	proven
195	3126944 k's remaining at n=2.5K. See k's at Sierpinski Base 195 remain.	(all k's) (available)
196	2518 k's remaining at n=25K. See k's at Sierpinski Base 196 remain.	(all k's) (available)	sieve-sierp-base196-25K-100K.zip
197	none	proven
198	36 k's remaining at n=100K. See k's at Sierpinski Base 198 remain.	(all k's) (available)
199	41 k's remaining at n=100K. See k's at Sierpinski Base 199 remain.	(all k's) (available)
200	40 (1M)	40 (available)	Partially sieved file: sieve-sierp-base200-1M-3M.txt
201	15594 k's remaining at n=10K. See k's at Sierpinski Base 201 remain.	(all k's) (available)
202	none	proven
203	none	proven
204	4 (1M)	4 (available)	sieve-sierp-base204-1M-2M.txt
205	76 k's remaining at n=100K. See k's at Sierpinski Base 205 remain.	(all k's) (available)
206	none	proven
207	74 k's remaining at n=100K. See k's at Sierpinski Base 207 remain.	(all k's) (available)
208	none	proven
209	none	proven
210	451199 k's remaining at n=2.5K. See k's at Sierpinski Base 210 remain.	(all k's) (available)
211	1962 (500K) 3130 (500K) 5152 (500K) 5248 (500K) 6942 (500K) 7686 (500K) 11820 (500K) 13732 (500K) 14778 (500K) 15318 (500K) 15636 (500K) 16026 (500K) 18420 (500K)	(all k's) (available)	sieve-sierp-base211-500K-1M.zip
212	4 (1.3M) 6 (1.8M) 64 (1.3M) 68 (1.3M)	6 pepi37 1.9M 2025/04/30 (other k's) (available)	sieve-sierp-base212-k4-1.3M-1.5M.txt sieve-sierp-base212-k6-1.2M-2M.txt sieve-sierp-base212-k64-1.3M-3M.txt sieve-sierp-base212-k68-1.3M-3M.txt
213	164 (300K) 1052 (300K) 1604 (300K) 1794 (300K) 1906 (300K) 2142 (300K) 2848 (300K) 2956 (300K) 3372 (300K) 3396 (300K) 3518 (300K) 3838 (300K) 4156 (300K) 4166 (300K)	(all k's) (available)	sieve-sierp-base213-300K-500K.txt
214	87 (500K) 106 (500K)	(all k's) (available)	sieve-sierp-base214-500K-1M.txt
215	304 k's remaining at n=100K. See k's at Sierpinski Base 215 remain.	(all k's) (available)
216	none	proven
217	1356 (1M)	1356 (available)
218	17 (1M)	17 (available)
219	none	proven
220	none	proven
221	none	proven
222	1235 k's remaining at n=100K. See k's at Sierpinski Base 222 remain.	(all k's) (available)
223	529 k's remaining at n=30K. See k's at Sierpinski Base 223 remain.	(all k's) (available)
224	none	proven
225	80 k's remaining at n=100K. See k's at Sierpinski Base 225 remain.	(all k's) (available)
226	8041 k's remaining at n=10K. See k's at Sierpinski Base 226 remain.	(all k's) (available)
227	18 (1M)	18 (available)	Partially sieved file: sieve-sierp-base227-1M-3M.txt
228	327 (500K) 915 (500K)	(all k's) (available)	sieve-sierp-base228-500K-1M.txt
229	none	proven
230	4 (1M)	4 (available)	sieve-sierp-base230-1M-2M.txt
231	95 k's remaining at n=100K. See k's at Sierpinski Base 231 remain.	(all k's) (available)
232	807 k's remaining at n=25K. See k's at Sierpinski Base 232 remain.	(all k's) (available)
233	none	proven
234	none	proven
235	27 k's remaining at n=100K. See k's at Sierpinski Base 235 remain.	(all k's) (available)
236	53 (500K) 67 (500K)	(all k's) (available)	sieve-sierp-base236-500K-1M.txt
237	none	proven
238	58571 k's remaining at n=2.5K. See k's at Sierpinski Base 238 remain.	(all k's) (available)	sieve-sierp-base238-2.5K-10K.zip
239	none	proven
240	32558 k's remaining at n=2.5K. See k's at Sierpinski Base 240 remain.	(all k's) (available)	sieve-sierp-base240-2.5K-10K.zip
241	1815 k's remaining at n=25K. See k's at Sierpinski Base 241 remain.	(all k's) (available)
242	none	proven
243	97 k's remaining at n=400K. See k's at Sierpinski Base 243 remain.	(all k's) (available)
244	none	proven
245	none	proven
246	none	proven
247	171 k's remaining at n=100K. See k's at Sierpinski Base 247 remain.	(all k's) (available)
248	16 (500K) 23 (500K) 31 (500K) 73 (500K)	(all k's) (available)	sieve-sierp-base248-500K-1M.txt
249	436 (500K) 684 (500K) 706 (500K)	(all k's) (available)	sieve-sierp-base249-500K-1M.txt
250	61066 k's remaining at n=2.5K. See k's at Sierpinski Base 250 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base250-2.5K-10K.zip
251	none	proven
252	none	proven
253	9096 (300K) 9436 (300K) 11488 (300K) 11746 (300K) 15118 (300K) 17818 (300K) 19684 (300K) 21208 (300K) 23748 (300K) 24262 (300K)	(all k's) (available)	sieve-sierp-base253-300K-500K.txt
254	none	proven
255	156 k's remaining at n=100K. See k's at Sierpinski Base 255 remain.	(all k's) (available)
256	831 (1M)	831 (available)	sieve-sierp-base256-1M-2M.txt
257	none	proven
258	none	proven
259	64 (1M)	64 (available)	Partially sieved file: sieve-sierp-base259-1M-3M.txt
260	none	proven
261	39028 k's remaining at n=2.5K. See k's at Sierpinski Base 261 remain.	(all k's) (available)	sieve-sierp-base261-2.5K-10K.zip
262	469 k's remaining at n=100K. See k's at Sierpinski Base 262 remain.	(all k's) (available)
263	8 (1M)	8 (available)	sieve-sierp-base263-1M-2M.txt
264	41 (1M)	41 (available)	sieve-sierp-base264-1M-2M.txt
265	none	proven
266	none	proven
267	3728 k's remaining at n=25K. See k's at Sierpinski Base 267 remain.	(all k's) (available)
268	76 k's remaining at n=100K. See k's at Sierpinski Base 268 remain.	(all k's) (available)
269	none	proven
270	257 k's remaining at n=100K. See k's at Sierpinski Base 270 remain.	(all k's) (available)
271	1102160 k's remaining at n=2.5K. See k's at Sierpinski Base 271 remain.	(all k's) (available)
272	none	proven
273	464 (300K) 1234 (300K) 1718 (300K) 2858 (300K) 3266 (300K) 3566 (300K)	(all k's) (available)	sieve-sierp-base273-300K-500K.txt
274	none	proven
275	none	proven
276	1669 k's remaining at n=25K. See k's at Sierpinski Base 276 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base276-25K-250K.zip
277	82 k's remaining at n=100K. See k's at Sierpinski Base 277 remain.	(all k's) (available)
278	none	proven
279	none	proven
281	none	proven
282	148 k's remaining at n=100K. See k's at Sierpinski Base 282 remain.	(all k's) (available)
283	559 k's remaining at n=25K. See k's at Sierpinski Base 283 remain.	(all k's) (available)
284	none	proven
285	none	proven
286	none	proven
287	88 k's remaining at n=100K. See k's at Sierpinski Base 287 remain.	(all k's) (available)
288	203 (300K) 218 (300K) 1514 (300K) 1769 (300K) 1818 (300K) 1871 (300K) 2296 (300K)	(all k's) (available)	sieve-sierp-base288-300K-500K.txt
289	none	proven
290	73 (500K) 88 (500K) 91 (500K)	(all k's) (available)	sieve-sierp-base290-500K-1M.txt
291	68 k's remaining at n=100K. See k's at Sierpinski Base 291 remain.	(all k's) (available)
292	262 k's remaining at n=100K. See k's at Sierpinski Base 292 remain.	(all k's) (available)
293	none	proven
294	61 (1M)	61 (available)	sieve-sierp-base294-1M-2M.txt
295	542 k's remaining at n=25K. See k's at Sierpinski Base 295 remain.	(all k's) (available)
296	none	proven
297	695 k's remaining at n=25K. See k's at Sierpinski Base 297 remain.	(all k's) (available)
298	66 (500K) 168 (500K)	(all k's) (available)	sieve-sierp-base298-500K-1M.txt
299	none	proven
300	none	proven
301	705 k's remaining at n=25K. See k's at Sierpinski Base 301 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base301-25K-250K.zip
302	none	proven
303	2225 k's remaining at n=25K. See k's at Sierpinski Base 303 remain.	(all k's) (available)
304	60 (1M)	60 (available)	Partially sieved file: sieve-sierp-base304-1M-3M.txt
305	none	proven
306	1385 k's remaining at n=25K. See k's at Sierpinski Base 306 remain.	(all k's) (available)
307	none	proven
308	36 (300K) 53 (300K) 83 (300K) 88 (300K)	(all k's) (available)	sieve-sierp-base308-300K-500K.txt
309	none	proven
310	1091 k's remaining at n=25K. See k's at Sierpinski Base 310 remain.	(all k's) (available)
311	none	proven
312	32149 k's remaining at n=2.5K. See k's at Sierpinski Base 312 remain.	(all k's) (available)	sieve-sierp-base312-2.5K-10K.zip
313	234 k's remaining at n=100K. See k's at Sierpinski Base 313 remain.	(all k's) (available)
314	none	proven
315	550 (500K) 836 (500K)	(all k's) (available)	sieve-sierp-base315-500K-1M.txt
316	145 k's remaining at n=100K. See k's at Sierpinski Base 316 remain.	(all k's) (available)
317	44 (800K)	44 (available)	sieve-sierp-base317-800K-1.5M.txt
318	89 (800K)	89 (available)	sieve-sierp-base318-800K-1.5M.txt
319	64 (300K) 256 (300K) 286 (300K) 366 (300K) 574 (300K)	(all k's) (available)	sieve-sierp-base319-300K-500K.txt
320	97 (800K)	97 (available)	sieve-sierp-base320-800K-1M.txt
321	none	proven
322	none	proven
323	26 k's remaining at n=300K. See k's at Sierpinski Base 323 remain.	(all k's) (available)	sieve-sierp-base323-300K-500K.zip
324	none	proven
325	371598 k's remaining at n=2.5K. See k's at Sierpinski Base 325 remain.	(all k's) (available)
326	none	proven
327	38 (300K) 122 (300K) 704 (300K) 1086 (300K) 1352 (300K) 1376 (300K) 1378 (300K) 1516 (300K) 1648 (300K) 1696 (300K) 1762 (300K)	(all k's) (available)	sieve-sierp-base327-300K-500K.txt
328	27 (1M)	27 (available)	sieve-sierp-base328-1M-2M.txt
329	none	proven
330	101096 k's remaining at n=2.5K. See k's at Sierpinski Base 330 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base330-2.5K-10K.zip
331	253 k's remaining at n=100K. See k's at Sierpinski Base 331 remain.	(all k's) (available)
332	4 (1M) 16 (700K)	(all k's) (available)	sieve-sierp-base332-k4-1M-2M.txt sieve-sierp-base332-k16-700K-1M.txt
333	18 (300K) 118 (300K) 824 (300K) 1476 (300K) 1504 (300K) 1678 (300K) 1806 (300K) 2172 (300K) 2224 (300K) 2504 (300K) 2506 (300K) 3268 (300K) 4308 (300K) 4542 (300K) 4842 (300K) 4954 (300K) 5010 (300K) 5052 (300K) 5242 (300K) 5592 (300K) 5738 (300K) 6096 (300K) 6310 (300K) 6408 (300K)	(all k's) (available)	sieve-sierp-base333-300K-500K.zip
334	4 (500K) 51 (500K)	(all k's) (available)	sieve-sierp-base334-500K-1M.txt
335	4 (1M)	4 (available)	Partially sieved file: sieve-sierp-base335-1M-3M.txt
336	107 k's remaining at n=100K. See k's at Sierpinski Base 336 remain.	(all k's) (available)
337	none	proven
338	10 (300K) 23 (300K) 34 (300K) 46 (300K) 53 (300K) 61 (300K) 76 (300K) 77 (300K) 98 (300K) 103 (300K)	(all k's) (available)	sieve-sierp-base338-300K-500K.txt
339	none	proven
340	199 (1M)	199 (available)
341	none	proven
342	36 (300K) 204 (300K) 341 (300K) 468 (300K) 491 (300K)	(all k's) (available)	sieve-sierp-base342-300K-500K.txt
343	616 (300K) 904 (300K) 924 (300K) 1678 (300K)	(all k's) (available)	sieve-sierp-base343-300K-500K.txt
344	none	proven
346	221894 k's remaining at n=2.5K. See k's at Sierpinski Base 346 remain.	(all k's) (available)
347	none	proven
348	257 k's remaining at n=100K. See k's at Sierpinski Base 348 remain.	(all k's) (available)
349	none	proven
350	none	proven
351	102 k's remaining at n=100K. See k's at Sierpinski Base 351 remain.	(all k's) (available)
352	183 (500K) 1837 (500K) 1902 (500K) 2073 (500K) 2119 (500K) 2812 (500K) 3178 (500K) 3454 (500K) 3531 (500K) 3552 (500K) 4387 (500K) 4989 (500K) 5647 (500K) 5697 (500K) 5703 (500K) 6706 (500K) 6729 (500K) 6852 (500K) 7243 (500K) 7978 (500K)	(all k's) (available)
353	8 (800K)	8 (available)	sieve-sierp-base353-800K-1M.txt
354	12 (500K) 75 (500K) 134 (500K)	(all k's) (available)	sieve-sierp-base354-500K-1M.txt
355	40 k's remaining at n=100K. See k's at Sierpinski Base 355 remain.	(all k's) (available)
356	none	proven
357	1428 k's remaining at n=25K. See k's at Sierpinski Base 357 remain.	(all k's) (available)
358	264243 k's remaining at n=2.5K. See k's at Sierpinski Base 358 remain.	(all k's) (available)
359	none	proven
360	77 (500K) 303 (500K) 381 (500K) 506 (500K)	(all k's) (available)
361	5470 k's remaining at n>=10K. See k's and test limits at Sierpinski Base 361 remain.	(all k's) (available)	281 k's that have been searched to n=150K are searched by base 19. See k's remaining page. sieve-sierp-base361-10K-25K.zip
362	none	proven
363	none	proven
364	none	proven
365	2 (500K) 176 (500K)	(all k's) (available)	sieve-sierp-base365-500K-1M.txt
366	357 k's remaining at n=100K. See k's at Sierpinski Base 366 remain.	(all k's) (available)
367	160 (300K) 766 (300K) 888 (300K) 1096 (300K) 1458 (300K) 1632 (300K) 1780 (300K) 1954 (300K) 2092 (300K) 2598 (300K) 2782 (300K) 3106 (300K) 3202 (300K)	(all k's) (available)	sieve-sierp-base367-300K-500K.txt
368	8 (500K) 12 (500K) 34 (500K)	(all k's) (available)	sieve-sierp-base368-500K-1M.txt
369	none	proven
370	none	proven
371	none	proven
372	51 k's remaining at n=100K. See k's at Sierpinski Base 372 remain.	(all k's) (available)
373	108 (800K)	108 (available)	sieve-sierp-base373-800K-1M.txt
374	none	proven
375	24381 k's remaining at n=10K. See k's at Sierpinski Base 375 remain.	(all k's) (available)
376	246 (500K) 298 (500K)	(all k's) (available)	sieve-sierp-base376-500K-1M.txt
377	none	proven
378	288 (300K) 327 (300K) 460 (300K) 534 (300K) 729 (300K) 757 (300K) 829 (300K) 953 (300K) 1854 (300K) 2784 (300K) 3588 (300K) 3879 (300K)	(all k's) (available)	sieve-sierp-base378-300K-500K.txt
379	156 (1M)	156 (available)	sieve-sierp-base379-1M-3M.txt
380	64 (500K) 85 (500K)	(all k's) (available)	sieve-sierp-base380-500K-1M.txt
381	5976 (300K) 6772 (300K) 9260 (300K) 10942 (300K) 12692 (300K) 14668 (300K) 15570 (300K) 15640 (300K) 16826 (300K) 18100 (300K)	(all k's) (available)	sieve-sierp-base381-300K-500K.txt
382	93 k's remaining at n=100K. See k's at Sierpinski Base 382 remain.	(all k's) (available)
383	37 k's remaining at n>=519K. See k's and test limits at Sierpinski Base 383 remain.	(all k's) (available)	sieve-sierp-base383-519K-1M.zip
384	none	proven
385	2070 k's remaining at n=25K. See k's at Sierpinski Base 385 remain.	(all k's) (available)
386	none	proven
387	502 (300K) 594 (300K) 612 (300K) 696 (300K) 1004 (300K) 1070 (300K) 1268 (300K) 1314 (300K) 1456 (300K) 1532 (300K)	(all k's) (available)	sieve-sierp-base387-300K-500K.txt
388	832 k's remaining at n=25K. See k's at Sierpinski Base 388 remain.	(all k's) (available)
389	none	proven
390	none	proven
391	247 k's remaining at n=100K. See k's at Sierpinski Base 391 remain.	(all k's) (available)
392	23 (500K) 94 (500K) 103 (500K)	(all k's) (available)	sieve-sierp-base392-500K-1M.txt
393	166 k's remaining at n=100K. See k's at Sierpinski Base 393 remain.	(all k's) (available)
394	129 (500K) 136 (500K)	(all k's) (available)	sieve-sierp-base394-500K-1M.txt
395	4 (1.0043M) 8 (500K)	(all k's) (available)	Fully sieved files: sieve-sierp-base395-k4-1.0043M-2M.txt sieve-sierp-base395-k8-500K-1M.txt Partially sieved file: sieve-sierp-base395-k4-2M-3M.txt
396	2358 (500K) 3267 (500K) 4245 (500K) 5228 (500K)	(all k's) (available)
397	28 k's remaining at n=100K. See k's at Sierpinski Base 397 remain.	(all k's) (available)
398	none	proven
400	68114 k's remaining at n=2.5K. See k's at Sierpinski Base 400 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base400-2.5K-10K.zip
401	20 (1M)	20 (available)	Partially sieved file: sieve-sierp-base401-1M-3M.txt
402	61 (600K)	61 SRBase 800K 2025/04/21	sieve-sierp-base402-600K-1M.txt
403	31 k's remaining at n=100K. See k's at Sierpinski Base 403 remain.	(all k's) (available)
404	none	proven
405	none	proven
406	none	proven
407	none	proven
408	68 (300K) 729 (300K) 768 (300K) 1021 (300K) 1104 (300K) 1804 (300K) 1931 (300K) 2068 (300K) 2114 (300K) 2271 (300K) 2718 (300K) 3106 (300K) 3219 (300K) 3506 (300K) 3792 (300K) 3874 (300K) 4107 (300K) 5239 (300K)	(all k's) (available)	sieve-sierp-base408-300K-500K.zip
409	none	proven
410	103 (500K) 110 (500K)	(all k's) (available)	sieve-sierp-base410-500K-1M.txt
411	88 k's remaining at n=100K. See k's at Sierpinski Base 411 remain.	(all k's) (available)
412	36 (500K) 64 (500K)	(all k's) (available)
413	none	proven
414	none	proven
416	none	proven
417	10 (1M)	10 (available)
418	28 k's remaining at n=100K. See k's at Sierpinski Base 418 remain.	(all k's) (available)
419	none	proven
420	3958 k's remaining at n=50K. See k's at Sierpinski Base 420 remain.	(all k's) (available)
421	970 (300K) 1750 (300K) 2770 (300K) 3132 (300K) 5266 (300K) 11182 (300K) 17640 (300K) 24036 (300K) 24300 (300K) 25110 (300K) 36772 (300K) 37348 (300K) 39288 (300K) 42856 (300K) 43776 (300K) 44706 (300K)	(all k's) (available)	sieve-sierp-base421-300K-500K.zip
422	8 (500K) 13 (500K) 17 (500K)	(all k's) (available)
423	69 k's remaining at n=100K. See k's at Sierpinski Base 423 remain.	(all k's) (available)
424	none	proven
425	none	proven
426	8 (600K)	8 (available)	sieve-sierp-base426-600K-1M.txt
427	48534 k's remaining at n=2.5K. See k's at Sierpinski Base 427 remain.	(all k's) (available)	sieve-sierp-base427-2.5K-10K.zip
428	8 (1M)	8 (available)
429	none	proven
430	15321 (600K)	15321 (available)	sieve-sierp-base430-600K-1.5M.txt
431	316 k's remaining at n=100K. See k's at Sierpinski Base 431 remain.	(all k's) (available)
432	964 k's remaining at n>=25K. See k's and test limits at Sierpinski Base 432 remain.	10 pepi37 1M 2025/04/30 (other k's) (available)	k = 10: sieve-sierp-base432-k10-500K-1M.txt
433	118 (500K) 264 (500K)	(all k's) (available)	sieve-sierp-base433-500K-1M.txt
434	none	proven
436	none	proven
437	none	proven
438	29 k's remaining at n=100K. See k's at Sierpinski Base 438 remain.	(all k's) (available)
439	none	proven
440	none	proven
441	none	proven
442	50 k's remaining at n=100K. See k's at Sierpinski Base 442 remain.	(all k's) (available)
443	8 (500K) 22 (500K) 94 (500K)	(all k's) (available)	sieve-sierp-base443-500K-1M.txt
444	46 (500K) 111 (500K)	(all k's) (available)
445	42 k's remaining at n=100K. See k's at Sierpinski Base 445 remain.	(all k's) (available)
446	52 (300K) 53 (300K) 98 (300K) 115 (300K) 120 (300K) 136 (300K)	(all k's) (available)	sieve-sierp-base446-300K-500K.txt
447	86 (500K) 148 (500K)	(all k's) (available)
448	961 k's remaining at n=25K. See k's at Sierpinski Base 448 remain.	(all k's) (available)
449	none	proven
450	87 (600K)	87 (available)	sieve-sierp-base450-600K-1M.txt
451	104 k's remaining at n=100K. See k's at Sierpinski Base 451 remain.	(all k's) (available)
452	23 (300K) 37 (300K) 41 (300K) 68 (300K) 96 (300K) 101 (300K) 124 (300K) 136 (300K)	(all k's) (available)	sieve-sierp-base452-300K-500K.txt
453	100878 k's remaining at n=2.5K. See k's at Sierpinski Base 453 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base453-2.5K-10K.zip
454	none	proven
455	none	proven
456	32722 k's remaining at n=5K. See k's at Sierpinski Base 456 remain.	(all k's) (available)	sieve-sierp-base456-5K-10K.zip
457	251 k's remaining at n=100K. See k's at Sierpinski Base 457 remain.	(all k's) (available)
458	none	proven
459	none	proven
460	75 k's remaining at n=100K. See k's at Sierpinski Base 460 remain.	(all k's) (available)
461	2 (600K)	2 (available)	sieve-sierp-base461-600K-1M.txt
462	123504 k's remaining at n=2.5K. See k's at Sierpinski Base 462 remain.	(all k's) (available)	Partially sieved file is available for n=2.5K-10K.
463	616 (500K) 1072 (500K)	(all k's) (available)	sieve-sierp-base463-500K-1M.txt
464	none	proven
465	127 k's remaining at n=100K. See k's at Sierpinski Base 465 remain.	(all k's) (available)
466	222 (300K) 321 (300K) 1077 (300K) 1272 (300K) 1867 (300K) 3783 (300K) 4252 (300K) 4296 (300K) 4786 (300K) 5326 (300K) 5370 (300K) 6102 (300K) 6256 (300K) 6345 (300K)	(all k's) (available)	sieve-sierp-base466-300K-500K.zip
467	4 (1M)	4 (available)
468	97 (1.315M)	97 wombatman 1.5M 2025/01/03
469	none	proven
470	none	proven
471	1046 (300K) 1170 (300K) 1592 (300K) 2378 (300K) 2768 (300K) 2818 (300K) 2890 (300K) 2922 (300K) 3526 (300K) 3768 (300K) 4072 (300K) 4378 (300K)	(all k's) (available)	sieve-sierp-base471-300K-500K.txt
472	21 (500K) 67 (500K)	(all k's) (available)
473	none	proven
474	none	proven
475	none	proven
476	28 (600K)	28 (available)	sieve-sierp-base476-600K-1M.txt
477	168 k's remaining at n=100K. See k's at Sierpinski Base 477 remain.	(all k's) (available)
478	10650 k's remaining at n=10K. See k's at Sierpinski Base 478 remain.	(all k's) (available)
479	none	proven
480	12 (600K)	12 (available)	sieve-sierp-base480-600K-1M.txt
481	46637 k's remaining at n=2.5K. See k's at Sierpinski Base 481 remain.	(all k's) (available)	sieve-sierp-base481-2.5K-10K.zip
482	none	proven
483	none	proven
484	none	proven
485	67 k's remaining at n=100K. See k's at Sierpinski Base 485 remain.	(all k's) (available)
486	1946 k's remaining at n=25K. See k's at Sierpinski Base 486 remain.	(all k's) (available)
487	42 k's remaining at n>=100K. See k's and test limits at Sierpinski Base 487 remain.	(all k's) (available)	k = 486: sieve-sierp-base487-k486-600K-1M.txt
488	8 (300K) 106 (300K) 122 (300K) 128 (300K) 139 (300K) 145 (300K)	(all k's) (available)	sieve-sierp-base488-300K-500K.txt
489	none	proven
490	29 k's remaining at n=100K. See k's at Sierpinski Base 490 remain.	(all k's) (available)
491	none	proven
492	69 (600K)	69 (available)	sieve-sierp-base492-600K-1M.txt
493	18 (300K) 64 (300K) 66 (300K) 118 (300K) 142 (300K)	(all k's) (available)	sieve-sierp-base493-300K-500K.txt
494	none	proven
495	1247 k's remaining at n=25K. See k's at Sierpinski Base 495 remain.	(all k's) (available)
496	none	proven
497	8 (600K)	8 (available)	sieve-sierp-base497-600K-1.5M.txt
498	45 k's remaining at n=100K. See k's at Sierpinski Base 498 remain.	(all k's) (available)
499	174 (300K) 208 (300K) 216 (300K) 294 (300K) 406 (300K) 846 (300K) 936 (300K) 1074 (300K) 1354 (300K) 1414 (300K) 1806 (300K) 1906 (300K) 1944 (300K) 2008 (300K)	(all k's) (available)	sieve-sierp-base499-300K-500K.txt
500	22 (300K) 24 (300K) 52 (300K) 64 (300K) 65 (300K) 92 (300K) 116 (300K) 151 (300K) 160 (300K) 164 (300K)	(all k's) (available)	sieve-sierp-base500-300K-500K.txt
501	none	proven
502	89 k's remaining at n=100K. See k's at Sierpinski Base 502 remain.	(all k's) (available)
503	none	proven
504	79 (500K) 94 (500K) 116 (500K)	(all k's) (available)
505	none	proven
506	none	proven
507	380 (500K) 984 (500K)	(all k's) (available)
508	8875 k's remaining at n=10K. See k's at Sierpinski Base 508 remain.	(all k's) (available)
509	none	proven
510	57 (500K) 195 (500K)	(all k's) (available)
512	5 (1M)	5 (available)	Partially sieved file: sieve-sierp-base512-1M-3M.txt
513	279 k's remaining at n=100K. See k's at Sierpinski Base 513 remain.	(all k's) (available)
514	96 (500K) 99 (500K) 211 (500K) 271 (500K) 289 (500K) 309 (500K) 321 (500K) 381 (500K)	(all k's) (available)	sieve-sierp-base514-500K-1M.txt
515	none	proven
516	122 (600K)	122 (available)	sieve-sierp-base516-600K-1M.txt
517	none	proven
518	68 (300K) 83 (300K) 107 (300K) 167 (300K)	(all k's) (available)	sieve-sierp-base518-300K-500K.txt
519	none	proven
520	369 (1M)	369 (available)
521	none	proven
522	781 k's remaining at n=25K. See k's at Sierpinski Base 522 remain.	(all k's) (available)
523	45 k's remaining at n=100K. See k's at Sierpinski Base 523 remain.	(all k's) (available)
524	none	proven
525	54690 k's remaining at n=2.5K. See k's at Sierpinski Base 525 remain.	(all k's) (available)	sieve-sierp-base525-2.5K-10K.zip
526	none	proven
527	none	proven
528	none	proven
529	244 (400K) 376 (400K) 394 (400K) 426 (400K) 454 (400K) 544 (400K) 634 (400K) 906 (400K) 936 (400K)	(all k's) (available)	sieve-sierp-base529-400K-1M.txt
530	14 (500K) 52 (500K)	(all k's) (available)
531	none	proven
532	none	proven
533	38 (500K) 64 (500K)	(all k's) (available)	sieve-sierp-base533-500K-1M.txt
534	104 (600K)	104 (available)	sieve-sierp-base534-600K-1M.txt
535	35050 k's remaining at n=2.5K. See k's at Sierpinski Base 535 remain.	(all k's) (available)	sieve-sierp-base535-2.5K-10K.zip
536	13 (500K) 75 (500K)	(all k's) (available)
537	1682 k's remaining at n=25K. See k's at Sierpinski Base 537 remain.	(all k's) (available)
538	none	proven
539	none	proven
540	1567 k's remaining at n=25K. See k's at Sierpinski Base 540 remain.	(all k's) (available)
541	120506 k's remaining at n=2.5K. See k's at Sierpinski Base 541 remain.	(all k's) (available)
542	2 (500K) 13 (500K)	(all k's) (available)	sieve-sierp-base542-500K-1M.txt
543	96 k's remaining at n=100K. See k's at Sierpinski Base 543 remain.	(all k's) (available)
544	none	proven
545	none	proven
546	307114 k's remaining at n=2.5K. See k's at Sierpinski Base 546 remain.	(all k's) (available)
547	5063 k's remaining at n=10K. See k's at Sierpinski Base 547 remain.	(all k's) (available)
548	none	proven
549	none	proven
550	94 (600K)	94 (available)	sieve-sierp-base550-600K-1M.txt
551	none	proven
552	none	proven
553	94 (300K) 172 (300K) 688 (300K) 1602 (300K)	(all k's) (available)	sieve-sierp-base553-300K-500K.txt
554	none	proven
555	132 k's remaining at n=100K. See k's at Sierpinski Base 555 remain.	(all k's) (available)
556	32274 k's remaining at n=2.5K. See k's at Sierpinski Base 556 remain.	(all k's) (available)	sieve-sierp-base556-2.5K-10K.zip
557	none	proven
558	none	proven
559	none	proven
560	none	proven
561	5249 k's remaining at n=10K. See k's at Sierpinski Base 561 remain.	(all k's) (available)
562	none	proven
563	none	proven
564	68 (500K) 79 (500K)	(all k's) (available)	sieve-sierp-base564-500K-1M.txt
565	1146 (300K) 1942 (300K) 2416 (300K) 3684 (300K) 4192 (300K) 5376 (300K) 5872 (300K) 6462 (300K) 7132 (300K) 7266 (300K) 7570 (300K) 7642 (300K) 8040 (300K)	(all k's) (available)	sieve-sierp-base565-300K-500K.txt
566	none	proven
567	none	proven
568	86 k's remaining at n=100K. See k's at Sierpinski Base 568 remain.	(all k's) (available)
569	none	proven
570	56901 k's remaining at n=2.5K. See k's at Sierpinski Base 570 remain.	(all k's) (available)	sieve-sierp-base570-2.5K-10K.zip
571	none	proven
572	8 (300K) 19 (300K) 29 (300K) 32 (300K) 80 (300K) 109 (300K) 121 (300K) 166 (300K)	(all k's) (available)	sieve-sierp-base572-300K-500K.txt
573	106 (500K) 132 (500K) 202 (500K)	(all k's) (available)
574	16 (600K)	16 (available)	sieve-sierp-base574-600K-1M.txt
575	1823 k's remaining at n=25K. See k's at Sierpinski Base 575 remain.	(all k's) (available)
576	144 k's remaining at n>=100K. See k's and test limits at Sierpinski Base 576 remain.	656 SRBase 400K 2025/04/12 2586 SRBase 400K 2025/04/12 3526 SRBase 400K 2025/04/12 4606 SRBase 400K 2025/04/12 5316 SRBase 400K 2025/04/12 5386 SRBase 400K 2025/04/12 7276 SRBase 400K 2025/04/12 7746 SRBase 400K 2025/04/12 8091 SRBase 400K 2025/04/12 9701 SRBase 400K 2025/04/12 9721 SRBase 400K 2025/04/12 10026 SRBase 400K 2025/04/12 10156 SRBase 400K 2025/04/12 10531 SRBase 400K 2025/04/12 12991 SRBase 400K 2025/04/12 13716 SRBase 400K 2025/04/12 15921 SRBase 400K 2025/04/12 17876 SRBase 400K 2025/04/12 18006 SRBase 400K 2025/04/12 18911 SRBase 400K 2025/04/12 19031 SRBase 400K 2025/04/12 20731 SRBase 400K 2025/04/12 29091 SRBase 400K 2025/04/12 29566 SRBase 400K 2025/04/12 (other k's) (available)	k = 656, 2586, 3526, 4606, 5316, 5386, 7276, 7746, 8091, 9701, 9721, 10026, 10156, 10531, 12991, 13716, 15921, 17876, 18006, 18911, 19031, 20731, 29091, and 29566 testing are the same as base 24 for the same k-value.
577	132 (300K) 274 (300K) 288 (300K) 424 (300K) 426 (300K) 492 (300K)	(all k's) (available)	sieve-sierp-base577-300K-500K.txt
578	17 (1M) 31 (1M) 38 (1M)	(all k's) (available)
579	6 (600K)	6 (available)	sieve-sierp-base579-600K-1M.txt
580	none	proven
581	none	proven
582	32 (600K)	32 (available)	sieve-sierp-base582-600K-1M.txt
583	706 (300K) 894 (300K) 1096 (300K) 1270 (300K) 1680 (300K) 1762 (300K) 1914 (300K) 2022 (300K) 2196 (300K) 2448 (300K) 2556 (300K) 2614 (300K)	(all k's) (available)	sieve-sierp-base583-300K-500K.txt
584	none	proven
585	134076 k's remaining at n=2.5K. See k's at Sierpinski Base 585 remain.	(all k's) (available)
586	196149 k's remaining at n=2.5K. See k's at Sierpinski Base 586 remain.	(all k's) (available)
587	none	proven
588	none	proven
589	none	proven
590	19 (300K) 26 (300K) 40 (300K) 64 (500K) 104 (300K) 118 (300K) 148 (300K) 157 (300K) 178 (300K) 179 (300K)	(all k's) (available)	sieve-sierp-base590-300K-500K.txt
591	33 k's remaining at n=100K. See k's at Sierpinski Base 591 remain.	(all k's) (available)
592	247 k's remaining at n=100K. See k's at Sierpinski Base 592 remain.	(all k's) (available)
593	4 (1M) 8 (500K)	(all k's) (available)	sieve-sierp-base593-500K-1M.txt
594	none	proven
595	90 k's remaining at n=100K. See k's at Sierpinski Base 595 remain.	(all k's) (available)
596	136 (600K)	136 (available)	sieve-sierp-base596-600K-1M.txt
597	none	proven
598	93 k's remaining at n=100K. See k's at Sierpinski Base 598 remain.	(all k's) (available)
599	none	proven
600	48948 k's remaining at n=2.5K. See k's at Sierpinski Base 600 remain.	(all k's) (available)	sieve-sierp-base600-2.5K-10K.zip
601	none	proven
602	16 (300K) 34 (300K) 43 (300K) 49 (300K)	(all k's) (available)	sieve-sierp-base602-300K-500K.txt
603	122 (300K) 1072 (300K) 1358 (300K) 1962 (300K)	(all k's) (available)	sieve-sierp-base603-300K-500K.txt
604	none	proven
605	70 (618K)	70 (available)	sieve-sierp-base605-618K-1M.txt
606	171 k's remaining at n=100K. See k's at Sierpinski Base 606 remain.	(all k's) (available)
607	5572 k's remaining at n=10K. See k's at Sierpinski Base 607 remain.	(all k's) (available)
608	none	proven
609	none	proven
610	none	proven
611	none	proven
612	1432 k's remaining at n=25K. See k's at Sierpinski Base 612 remain.	(all k's) (available)
613	328 (300K) 1294 (300K) 1438 (300K) 1504 (300K)	(all k's) (available)	sieve-sierp-base613-300K-1M.txt
614	none	proven
615	none	proven
616	50 k's remaining at n=100K. See k's at Sierpinski Base 616 remain.	(all k's) (available)
617	44 (300K) 124 (300K) 136 (300K) 158 (300K) 242 (300K) 484 (300K) 488 (300K)	(all k's) (available)	sieve-sierp-base617-300K-500K.txt
618	49 k's remaining at n=200K. See k's at Sierpinski Base 618 remain.	(all k's) (available)
619	none	proven
620	12 (500K) 13 (500K)	(all k's) (available)
621	36 k's remaining at n=100K. See k's at Sierpinski Base 621 remain.	(all k's) (available)
622	none	proven
623	none	proven
624	14789 k's remaining at n=10K. See k's at Sierpinski Base 624 remain.	(all k's) (available)
625	6 (300K) 2362 (300K) 5634 (300K) 6436 (1.35M) 7306 (300K) 7528 (1.35M) 9616 (300K) 10218 (300K) 10794 (300K) 10918 (1.35M) 11326 (300K) 11434 (300K) 11632 (300K) 12460 (300K) 12864 (400K) 13422 (300K) 14332 (300K) 15006 (300K) 15760 (300K) 16894 (300K)	6436 Sierpinski/Riesel base 5 project 6.25M 2025/04/09 7528 Sierpinski/Riesel base 5 project 6.25M 2025/04/09 10918 Sierpinski/Riesel base 5 project 6.25M 2025/04/09 12864 SRBase 500K 2025/04/30 (other k's) (available)	k = 6436, 7528, and 10918 are worked on by PrimeGrid's Sierpinski/Riesel Base 5 project.  k's, test limits, and primes are converted from base 5. k = 6436, 7528, and 10918 are the same as bases 5 and 25 for the same k-value. k = 12864 testing is the same as base 25 for the same k-value. sieve-sierp-base625-300K-500K.zip
626	none	proven
627	84 k's remaining at n=100K. See k's at Sierpinski Base 627 remain.	(all k's) (available)
628	16 (300K) 295 (300K) 334 (300K) 426 (300K) 579 (300K) 889 (300K) 984 (300K)	(all k's) (available)	sieve-sierp-base628-300K-500K.txt
629	none	proven
630	202965 k's remaining at n=2.5K. See k's at Sierpinski Base 630 remain.	(all k's) (available)
631	28048 k's remaining at n=2.5K. See k's at Sierpinski Base 631 remain.	(all k's) k0r3 10K 2025/04/24	sieve-sierp-base631-2.5K-10K.zip
632	none	proven
633	58 k's remaining at n=100K. See k's at Sierpinski Base 633 remain.	(all k's) (available)
634	75 (500K) 106 (500K)	(all k's) (available)	sieve-sierp-base634-500K-1M.txt
635	none	proven
636	none	proven
637	none	proven
638	32 (600K)	32 (available)	sieve-sierp-base638-600K-1M.txt
639	146 (300K) 334 (300K) 514 (300K) 586 (300K) 796 (300K) 1566 (300K) 1646 (300K)	(all k's) (available)	sieve-sierp-base639-300K-500K.txt
640	39 k's remaining at n=100K. See k's at Sierpinski Base 640 remain.	(all k's) (available)
641	none	proven
642	206 k's remaining at n=100K. See k's at Sierpinski Base 642 remain.	(all k's) (available)
643	none	proven
644	none	proven
645	none	proven
646	133 k's remaining at n=100K. See k's at Sierpinski Base 646 remain.	(all k's) (available)
647	74 (300K) 100 (300K)	(all k's) (available)	sieve-sierp-base647-300K-500K.txt
648	56 (300K) 89 (300K) 117 (300K) 166 (300K) 199 (300K) 218 (300K)	(all k's) (available)	sieve-sierp-base648-300K-500K.txt
649	64 (600K)	64 (available)	sieve-sierp-base649-600K-1M.txt
650	none	proven
651	6340 k's remaining at n=10K. See k's at Sierpinski Base 651 remain.	(all k's) (available)
652	39920 k's remaining at n=2.5K. See k's at Sierpinski Base 652 remain.	(all k's) (available)	sieve-sierp-base652-2.5K-10K.zip
653	56 (300K) 68 (300K) 94 (300K) 108 (300K)	(all k's) (available)	sieve-sierp-base653-300K-500K.txt
654	29 (300K) 101 (300K) 144 (300K) 251 (300K)	(all k's) (available)	sieve-sierp-base654-300K-500K.txt
655	32 k's remaining at n=100K. See k's at Sierpinski Base 655 remain.	(all k's) (available)
656	13 (300K) 26 (300K) 37 (300K) 52 (300K) 80 (300K) 85 (300K)	(all k's) (available)	sieve-sierp-base656-300K-500K.txt
657	none	proven
658	112 k's remaining at n=100K. See k's at Sierpinski Base 658 remain.	(all k's) (available)
659	none	proven
660	564 k's remaining at n=25K. See k's at Sierpinski Base 660 remain.	(all k's) (available)
662	none	proven
663	44 k's remaining at n=100K. See k's at Sierpinski Base 663 remain.	(all k's) (available)
664	none	proven
665	none	proven
666	none	proven
667	117 k's remaining at n=100K. See k's at Sierpinski Base 667 remain.	(all k's) (available)
668	none	proven
669	none	proven
670	none	proven
671	none	proven
672	36 (300K) 168 (300K) 1076 (300K) 1141 (300K) 1273 (300K) 1453 (300K) 2263 (300K) 2279 (300K) 2458 (300K) 2818 (300K) 3364 (300K)	(all k's) (available)	sieve-sierp-base672-300K-500K.txt
673	2283 k's remaining at n=25K. See k's at Sierpinski Base 673 remain.	(all k's) (available)
674	none	proven
675	2229 k's remaining at n=25K. See k's at Sierpinski Base 675 remain.	(all k's) (available)
676	none	proven
677	none	proven
678	106 (600K)	106 (available)	sieve-sierp-base678-600K-1M.txt
679	none	proven
680	43 (300K) 53 (300K) 127 (300K) 131 (300K) 199 (300K)	(all k's) (available)	sieve-sierp-base680-300K-500K.txt
681	none	proven
682	43 k's remaining at n=100K. See k's at Sierpinski Base 682 remain.	(all k's) (available)
683	none	proven
684	34 (600K)	34 (available)	sieve-sierp-base684-600K-1M.txt
685	4576 k's remaining at n=10K. See k's at Sierpinski Base 685 remain.	(all k's) (available)	sieve-sierp-base685-10K-25K.zip
686	116 (600K)	116 (available)	sieve-sierp-base686-600K-1M.txt
687	32 k's remaining at n=100K. See k's at Sierpinski Base 687 remain.	(all k's) (available)
688	54 (500K) 103 (500K)	(all k's) (available)	sieve-sierp-base688-500K-1M.txt
689	none	proven
691	62047 k's remaining at n=2.5K. See k's at Sierpinski Base 691 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base691-2.5K-10K.zip
692	none	proven
693	324 (300K) 2122 (300K) 2276 (300K) 3124 (300K) 4736 (300K) 4746 (300K) 5558 (300K) 5976 (300K) 6252 (300K) 6316 (300K) 6354 (300K)	(all k's) (available)	sieve-sierp-base693-300K-500K.txt
694	511 (300K) 651 (300K) 655 (300K) 696 (300K) 831 (300K) 1026 (300K)	(all k's) (available)	sieve-sierp-base694-300K-500K.txt
695	none	proven
696	none	proven
697	58 k's remaining at n=100K. See k's at Sierpinski Base 697 remain.	(all k's) (available)
698	8 (300K) 23 (300K) 34 (300K) 91 (300K) 124 (300K) 140 (300K) 143 (300K) 158 (300K)	(all k's) (available)	sieve-sierp-base698-300K-500K.txt
699	none	proven
700	324195 k's remaining at n=2.5K. See k's at Sierpinski Base 700 remain.	(all k's) (available)
701	none	proven
702	39 (600K)	39 (available)	sieve-sierp-base702-600K-1M.txt
703	354 (500K) 474 (500K)	(all k's) (available)	sieve-sierp-base703-500K-1M.txt
704	none	proven
705	93375 k's remaining at n=2.5K. See k's at Sierpinski Base 705 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base705-2.5K-10K.zip
706	none	proven
707	40 (600K)	40 (available)	sieve-sierp-base707-600K-1M.txt
708	190 k's remaining at n=100K. See k's at Sierpinski Base 708 remain.	(all k's) (available)
709	none	proven
710	8 (500K) 47 (300K) 52 (300K)	(all k's) (available)	k = 47 & 52: sieve-sierp-base710-300K-500K.txt
711	201 k's remaining at n=100K. See k's at Sierpinski Base 711 remain.	(all k's) (available)
712	22 (300K) 94 (300K) 123 (300K) 211 (300K) 237 (300K) 346 (300K) 367 (300K) 369 (300K) 493 (300K)	(all k's) (available)	sieve-sierp-base712-300K-500K.txt
713	none	proven
714	none	proven
715	33368 k's remaining at n=2.5K. See k's at Sierpinski Base 715 remain.	(all k's) (available)	sieve-sierp-base715-2.5K-10K.zip
716	106 (300K) 121 (300K) 166 (300K)	(all k's) (available)	sieve-sierp-base716-300K-1M.txt
717	1973 k's remaining at n=25K. See k's at Sierpinski Base 717 remain.	(all k's) (available)
718	3 (970K) 69 (300K) 108 (300K) 153 (300K) 222 (300K)	3 pepi37 1M 2025/04/30 (other k's) (available)	sieve-sierp-base718-k3-500K-1M.txt sieve-sierp-base718-300K-500K.txt
719	none	proven
720	13 (600K)	13 (available)	sieve-sierp-base720-600K-1M.txt
721	18229 k's remaining at n=2.5K. See k's at Sierpinski Base 721 remain.	(all k's) rebirther 10K 2025/04/23	sieve-sierp-base721-2.5K-10K.zip
722	none	proven
723	14 (300K) 278 (300K) 544 (300K) 564 (300K) 712 (300K) 1028 (300K) 1308 (300K) 1312 (300K) 1392 (300K) 1396 (300K) 1888 (300K) 1902 (300K) 1906 (300K) 2124 (300K) 2134 (300K) 2296 (300K) 2352 (300K)	(all k's) (available)	sieve-sierp-base723-300K-500K.zip
724	9 (600K)	9 (available)	sieve-sierp-base724-600K-1M.txt
725	none	proven
726	119761 k's remaining at n=2.5K. See k's at Sierpinski Base 726 remain.	(all k's) (available)	Partially sieved file is available for n=2.5K-10K.
727	none	proven
728	115651 k's remaining at n=2.5K. See k's at Sierpinski Base 728 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base728-2.5K-10K.zip
729	none	proven
730	none	proven
731	none	proven
732	1358 k's remaining at n=25K. See k's at Sierpinski Base 732 remain.	(all k's) (available)
733	77 k's remaining at n=100K. See k's at Sierpinski Base 733 remain.	(all k's) (available)
734	none	proven
735	721 k's remaining at n=25K. See k's at Sierpinski Base 735 remain.	(all k's) (available)
736	12 (600K)	12 (available)	sieve-sierp-base736-600K-1M.txt
737	none	proven
738	128 k's remaining at n=100K. See k's at Sierpinski Base 738 remain.	(all k's) (available)
739	none	proven
740	13 (1M)	13 (available)	Partially sieved file: sieve-sierp-base740-1M-3M.txt
741	none	proven
742	52 k's remaining at n=100K. See k's at Sierpinski Base 742 remain.	(all k's) (available)
743	none	proven
744	21 (300K) 83 (300K) 89 (300K) 101 (300K) 103 (300K) 186 (300K) 199 (300K) 201 (300K) 269 (300K) 271 (300K) 289 (300K) 290 (300K)	(all k's) (available)	sieve-sierp-base744-300K-500K.txt
745	784 k's remaining at n=25K. See k's at Sierpinski Base 745 remain.	(all k's) (available)
746	8 (300K) 61 (300K) 67 (300K) 80 (300K)	(all k's) (available)	sieve-sierp-base746-300K-500K.txt
747	none	proven
748	none	proven
749	none	proven
750	1073 k's remaining at n=25K. See k's at Sierpinski Base 750 remain.	(all k's) (available)
751	119 k's remaining at n=100K. See k's at Sierpinski Base 751 remain.	(all k's) (available)
752	none	proven
753	96 (300K)	96 mrlol945 500K 2025/04/05	sieve-sierp-base753-300K-500K.txt sieve-sierp-base753-500K-1M.txt
754	99 (300K) 159 (300K) 199 (300K)	(all k's) (available)	sieve-sierp-base754-300K-1M.txt
755	none	proven
756	Testing just started.	(all k's) Prescott 2.5K 2025/04/20
757	120 k's remaining at n=100K. See k's at Sierpinski Base 757 remain.	(all k's) (available)
758	8 (600K)	8 (available)	sieve-sierp-base758-600K-1M.txt
759	none	proven
761	16 (300K) 32 (300K) 92 (300K)	(all k's) (available)	sieve-sierp-base761-300K-500K.txt
762	27 (300K) 34 (300K) 57 (300K) 216 (300K) 222 (300K)	(all k's) (available)	sieve-sierp-base762-300K-500K.txt
763	814 k's remaining at n=25K. See k's at Sierpinski Base 763 remain.	(all k's) (available)
764	none	proven
765	32349 k's remaining at n=2.5K. See k's at Sierpinski Base 765 remain.	(all k's) (available)	sieve-sierp-base765-2.5K-10K.zip
766	58 (300K) 222 (300K)	(all k's) (available)	sieve-sierp-base766-300K-500K.txt
767	4 (1M) 16 (700K) 52 (700K)	(all k's) (available)	k = 16 & 52: sieve-sierp-base767-700K-1M.txt
768	685 k's remaining at n=40K. See k's at Sierpinski Base 768 remain.	(all k's) (available)	sieve-sierp-base768-40K-100K.zip
769	none	proven
770	8 (500K) 11 (500K)	(all k's) (available)	sieve-sierp-base770-500K-1M.txt
771	202 k's remaining at n=100K. See k's at Sierpinski Base 771 remain.	(all k's) (available)
772	342 k's remaining at n=100K. See k's at Sierpinski Base 772 remain.	(all k's) (available)
773	2 (500K) 8 (500K) 10 (500K) 16 (500K) 32 (500K)	(all k's) (available)
774	6 (300K) 19 (300K)	(all k's) (available)	sieve-sierp-base774-300K-500K.txt
775	3752 k's remaining at n=10K. See k's at Sierpinski Base 775 remain.	(all k's) (available)	sieve-sierp-base775-10K-25K.zip
776	none	proven
777	394350 k's remaining at n=2.5K. See k's at Sierpinski Base 777 remain.	(all k's) (available)
778	none	proven
779	none	proven
780	none	proven
781	370 (600K)	370 (available)	sieve-sierp-base781-600K-1M.txt
782	none	proven
783	none	proven
784	151 (600K)	151 (available)	sieve-sierp-base784-600K-1M.txt
785	none	proven
786	2673 k's remaining at n=25K. See k's at Sierpinski Base 786 remain.	(all k's) (available)
787	37 k's remaining at n=100K. See k's at Sierpinski Base 787 remain.	(all k's) (available)
788	14 (300K) 16 (300K) 38 (300K)	(all k's) (available)	sieve-sierp-base788-300K-1M.txt
789	none	proven
790	127 (300K) 160 (300K)	(all k's) (available)	sieve-sierp-base790-300K-1M.txt
791	none	proven
792	12 (300K) 77 (300K) 142 (300K) 233 (300K)	(all k's) (available)	sieve-sierp-base792-300K-500K.txt
793	47035 k's remaining at n=2.5K. See k's at Sierpinski Base 793 remain.	(all k's) (available)	sieve-sierp-base793-2.5K-10K.zip
794	none	proven
795	32 k's remaining at n=100K. See k's at Sierpinski Base 795 remain.	(all k's) (available)
797	none	proven
798	33 (600K)	33 (available)	sieve-sierp-base798-600K-1M.txt
800	61 (500K) 82 (500K)	(all k's) (available)	sieve-sierp-base800-500K-1M.txt
801	552265 k's remaining at n=2.5K. See k's at Sierpinski Base 801 remain.	(all k's) (available)
802	none	proven
803	4 (600K)	4 (available)	sieve-sierp-base803-600K-1M.txt
804	none	proven
805	none	proven
806	140 (600K)	140 (available)	sieve-sierp-base806-600K-1M.txt
807	508 k's remaining at n=25K. See k's at Sierpinski Base 807 remain.	(all k's) (available)
808	267 k's remaining at n=100K. See k's at Sierpinski Base 808 remain.	(all k's) (available)
809	none	proven
810	165 k's remaining at n=100K. See k's at Sierpinski Base 810 remain.	(all k's) (available)
811	252 (300K) 450 (300K) 538 (300K)	(all k's) (available)	sieve-sierp-base811-300K-500K.txt
812	none	proven
813	none	proven
814	261 (300K) 276 (300K) 294 (300K) 391 (300K) 456 (300K) 559 (300K) 612 (300K)	(all k's) (available)	sieve-sierp-base814-300K-500K.txt
815	none	proven
816	153 (600K)	153 (available)	sieve-sierp-base816-600K-1M.txt
817	13837 k's remaining at n>=10K. See k's and test limits at Sierpinski Base 817 remain.	(all k's) (available)
818	none	proven
819	none	proven
820	339 (500K) 9397 (500K) 12475 (500K) 21283 (500K) 25314 (500K) 25827 (500K)	(all k's) (available)
821	80 (600K)	80 (available)	sieve-sierp-base821-600K-1M.txt
822	10255 k's remaining at n=10K. See k's at Sierpinski Base 822 remain.	(all k's) (available)
823	69 k's remaining at n=100K. See k's at Sierpinski Base 823 remain.	(all k's) (available)
824	none	proven
825	58 (300K) 64 (300K)	(all k's) (available)	sieve-sierp-base825-300K-1M.txt
827	none	proven
828	8 (600K)	8 (available)	sieve-sierp-base828-600K-1M.txt
829	none	proven
830	30 (300K) 37 (300K) 47 (300K) 55 (300K) 89 (300K) 94 (300K) 103 (300K) 139 (300K) 145 (300K) 160 (300K) 173 (300K) 208 (300K) 257 (300K)	(all k's) (available)	sieve-sierp-base830-300K-500K.txt
831	9525 k's remaining at n=10K. See k's at Sierpinski Base 831 remain.	(all k's) (available)
832	36 (500K) 67 (500K)	(all k's) (available)	sieve-sierp-base832-500K-1M.txt
833	32 (300K) 106 (300K)	(all k's) (available)	sieve-sierp-base833-300K-500K.txt
834	89 (600K)	89 (available)	sieve-sierp-base834-600K-1M.txt
835	94 (300K) 276 (300K)	(all k's) (available)	sieve-sierp-base835-300K-1M.txt
836	none	proven
837	334 (300K) 402 (300K) 696 (300K) 872 (300K)	(all k's) (available)	sieve-sierp-base837-300K-500K.txt
838	46353 k's remaining at n=2.5K. See k's at Sierpinski Base 838 remain.	(all k's) (available)	sieve-sierp-base838-2.5K-10K.zip
839	none	proven
840	54 k's remaining at n=100K. See k's at Sierpinski Base 840 remain.	(all k's) (available)
841	1278 (300K) 6900 (300K) 8722 (300K) 10518 (300K) 12310 (300K) 13840 (300K) 14362 (300K) 16788 (300K) 17262 (300K) 18022 (300K) 19140 (300K) 19786 (300K)	(all k's) (available)	sieve-sierp-base841-300K-500K.txt
842	13 (400K) 19 (400K) 31 (400K)	(all k's) (available)	sieve-sierp-base842-400K-1M.txt
843	250 k's remaining at n=100K. See k's at Sierpinski Base 843 remain.	(all k's) (available)
844	none	proven
845	none	proven
846	none	proven
847	557 k's remaining at n=25K. See k's at Sierpinski Base 847 remain.	(all k's) (available)
848	4 (1M) 17 (300K) 46 (300K) 106 (300K) 121 (300K) 196 (300K) 217 (300K) 231 (300K) 233 (300K) 283 (300K)	(all k's) (available)	sieve-sierp-base848-k4-1M-1.5M.txt sieve-sierp-base848-300K-500K.txt
849	none	proven
850	252 (600K)	252 (available)	sieve-sierp-base850-600K-1M.txt
851	none	proven
852	627 k's remaining at n=25K. See k's at Sierpinski Base 852 remain.	(all k's) (available)
853	106 (1M)	(all k's) (available)	Partially sieved file: sieve-sierp-base853-1M-5M.txt
854	none	proven
856	103 k's remaining at n=100K. See k's at Sierpinski Base 856 remain.	(all k's) (available)
857	none	proven
858	567 k's remaining at n=25K. See k's at Sierpinski Base 858 remain.	(all k's) (available)
859	136 (300K) 250 (300K)	(all k's) (available)	sieve-sierp-base859-300K-1M.txt
860	none	proven
861	1830 k's remaining at n=25K. See k's at Sierpinski Base 861 remain.	(all k's) (available)
862	38 k's remaining at n=100K. See k's at Sierpinski Base 862 remain.	(all k's) (available)
863	none	proven
864	74 (600K)	74 (available)	sieve-sierp-base864-600K-1M.txt
865	172299 k's remaining at n=2.5K. See k's at Sierpinski Base 865 remain.	(all k's) (available)
866	8 (600K)	8 (available)	sieve-sierp-base866-600K-1M.txt
867	none	proven
868	none	proven
869	none	proven
870	none	proven
871	582 (300K) 618 (300K) 3702 (300K) 4468 (300K) 6648 (300K) 6898 (300K) 7302 (300K) 10336 (300K) 14496 (300K) 17616 (300K) 18946 (300K) 20248 (300K) 20806 (300K) 21238 (300K)	(all k's) (available)	sieve-sierp-base871-300K-500K.zip
872	19 (400K) 46 (400K) 68 (400K)	(all k's) (available)	sieve-sierp-base872-400K-1M.txt
873	116 (400K) 150 (400K) 206 (400K)	(all k's) (available)	sieve-sierp-base873-400K-1M.txt
874	none	proven
875	4 (1M)	4 (available)	Partially sieved file: sieve-sierp-base875-1M-3M.txt
877	438 (300K) 696 (300K) 748 (300K) 1146 (300K) 1272 (300K) 1348 (300K) 1434 (300K) 1602 (300K)	(all k's) (available)	sieve-sierp-base877-300K-500K.txt
878	2 (400K) 13 (400K) 17 (400K)	(all k's) (available)	sieve-sierp-base878-400K-1M.txt
879	none	proven
880	79 k's remaining at n=100K. See k's at Sierpinski Base 880 remain.	(all k's) (available)
881	none	proven
882	46 k's remaining at n=100K. See k's at Sierpinski Base 882 remain.	(all k's) (available)
883	66 (600K)	66 (available)	sieve-sierp-base883-600K-1.5M.txt
884	none	proven
885	1448 k's remaining at n=25K. See k's at Sierpinski Base 885 remain.	(all k's) (available)
886	142454 k's remaining at n=2.5K. See k's at Sierpinski Base 886 remain.	(all k's) (available)	Partially sieved file is available for n=2.5K-10K.
887	16 (300K) 34 (300K)	(all k's) (available)	sieve-sierp-base887-300K-500K.txt
888	none	proven
889	none	proven
890	none	proven
891	771248 k's remaining at n=2.5K. See k's at Sierpinski Base 891 remain.	(all k's) (available)
892	46 (500K) 93 (500K) 151 (500K)	(all k's) (available)
893	none	proven
894	6 (500K) 29 (300K) 109 (300K) 144 (300K) 178 (300K) 181 (300K) 184 (300K) 204 (300K) 214 (300K) 271 (300K) 354 (300K)	(all k's) (available)	All k's except k = 6: sieve-sierp-base894-300K-500K.txt
895	8532 k's remaining at n=10K. See k's at Sierpinski Base 895 remain.	(all k's) (available)
896	none	proven
897	448 (300K) 798 (300K) 1246 (300K) 1296 (300K) 1968 (300K) 2444 (300K) 3568 (300K) 3692 (300K) 3962 (300K) 4858 (300K) 4938 (300K) 5002 (300K) 5084 (300K) 5762 (300K) 7428 (300K)	(all k's) (available)	sieve-sierp-base897-300K-500K.zip
898	none	proven
899	none	proven
900	none	proven
901	none	proven
902	none	proven
903	none	proven
904	49 (300K) 99 (300K) 121 (300K) 211 (300K) 289 (300K) 294 (300K)	(all k's) (available)	sieve-sierp-base904-300K-500K.txt
905	62 (400K) 68 (400K) 88 (400K)	(all k's) (available)	sieve-sierp-base905-400K-1M.txt
907	18852 k's remaining at n=10K. See k's at Sierpinski Base 907 remain.	(all k's) (available)
908	2 (300K) 32 (300K) 34 (300K) 49 (300K) 76 (300K) 79 (300K) 94 (300K)	(all k's) (available)	sieve-sierp-base908-300K-500K.txt
909	none	proven
911	8 (300K) 18 (300K) 50 (300K) 172 (300K)	(all k's) (available)	sieve-sierp-base911-300K-500K.txt
912	32 (300K) 67 (300K) 82 (300K) 98 (300K) 122 (300K) 138 (300K) 166 (300K) 197 (300K) 234 (300K) 248 (300K)	(all k's) (available)	sieve-sierp-base912-300K-500K.txt
913	31687 k's remaining at n=2.5K. See k's at Sierpinski Base 913 remain.	(all k's) (available)	sieve-sierp-base913-2.5K-10K.zip
914	none	proven
915	61769 k's remaining at n=2.5K. See k's at Sierpinski Base 915 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base915-2.5K-10K.zip
916	none	proven
917	2 (600K)	2 (available)	sieve-sierp-base917-600K-1M.txt
918	156 k's remaining at n=100K. See k's at Sierpinski Base 918 remain.	(all k's) (available)
919	none	proven
920	13 (300K) 14 (300K) 43 (300K) 64 (500K) 82 (300K)	(all k's) (available)	sieve-sierp-base920-300K-1M.txt
922	30 (400K) 138 (400K) 214 (400K)	(all k's) (available)	sieve-sierp-base922-400K-1M.txt
923	none	proven
924	none	proven
925	138831 k's remaining at n=2.5K. See k's at Sierpinski Base 925 remain.	(all k's) (available)
926	17 (300K) 65 (300K) 103 (300K) 118 (300K)	(all k's) (available)	sieve-sierp-base926-300K-500K.txt
927	310 k's remaining at n=100K. See k's at Sierpinski Base 927 remain.	(all k's) (available)
928	529 k's remaining at n=25K. See k's at Sierpinski Base 928 remain.	(all k's) (available)
929	none	proven
930	8 (600K)	8 (available)	sieve-sierp-base930-600K-1M.txt
931	26 k's remaining at n=100K. See k's at Sierpinski Base 931 remain.	(all k's) (available)
932	23 (300K) 28 (300K) 77 (300K) 98 (300K) 122 (300K) 169 (300K) 212 (300K) 218 (300K) 224 (300K) 238 (300K) 263 (300K)	(all k's) (available)	sieve-sierp-base932-300K-500K.txt
933	113075 k's remaining at n=2.5K. See k's at Sierpinski Base 933 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base933-2.5K-10K.zip
934	none	proven
935	10 (600K)	10 (available)	sieve-sierp-base935-600K-1M.txt
936	92 k's remaining at n=100K. See k's at Sierpinski Base 936 remain.	(all k's) (available)
937	none	proven
938	29 (300K) 31 (300K) 71 (300K) 91 (300K) 94 (300K) 124 (300K) 139 (300K) 151 (300K) 173 (300K) 181 (300K) 199 (300K) 216 (300K) 227 (300K) 278 (300K) 298 (300K) 304 (300K)	(all k's) (available)	sieve-sierp-base938-300K-500K.txt
939	none	proven
940	45 k's remaining at n=100K. See k's at Sierpinski Base 940 remain.	(all k's) (available)
941	none	proven
942	40 (400K) 137 (400K) 139 (400K)	(all k's) (available)	sieve-sierp-base942-400K-1M.txt
943	53 k's remaining at n=100K. See k's at Sierpinski Base 943 remain.	(all k's) (available)
944	none	proven
945	186 (400K) 296 (400K) 320 (400K)	(all k's) (available)	sieve-sierp-base945-400K-1M.txt
947	2 (400K) 34 (400K) 68 (400K)	(all k's) (available)	sieve-sierp-base947-400K-1M.txt
948	none	proven
949	none	proven
950	32 (400K) 34 (400K) 52 (400K) 53 (400K) 100 (400K)	(all k's) (available)	sieve-sierp-base950-400K-1M.txt
951	none	proven
952	147 (300K) 583 (300K) 603 (300K) 712 (300K) 718 (300K) 790 (300K) 1401 (300K) 1617 (300K) 2329 (300K) 3676 (300K) 4006 (300K) 4092 (300K) 4170 (300K) 4354 (300K) 4363 (300K) 4444 (300K) 4794 (300K) 5167 (300K) 5412 (300K)	(all k's) (available)	sieve-sierp-base952-300K-500K.zip
953	8 (600K)	8 (available)	sieve-sierp-base953-600K-1M.txt
954	34 (300K) 126 (300K) 174 (300K) 181 (300K) 184 (300K) 229 (300K) 261 (300K) 269 (300K) 304 (300K) 306 (300K) 324 (300K) 327 (300K) 336 (300K) 341 (300K) 376 (300K)	(all k's) (available)	sieve-sierp-base954-300K-500K.txt
955	2321 k's remaining at n=75K. See k's at Sierpinski Base 955 remain.	(all k's) (available)
956	none	proven
957	143 k's remaining at n>=100K. See k's and test limits at Sierpinski Base 957 remain.	(all k's) (available)
958	48 (500K) 363 (500K)	(all k's) (available)	sieve-sierp-base958-500K-1M.txt
959	none	proven
961	630 (300K) 688 (300K) 766 (300K) 778 (300K) 846 (300K) 886 (300K) 892 (300K)	(all k's) (available)	sieve-sierp-base961-300K-500K.txt
962	47 (300K) 68 (300K) 77 (300K) 94 (300K)	(all k's) (available)	sieve-sierp-base962-300K-500K.txt
963	515412 k's remaining at n=2.5K. See k's at Sierpinski Base 963 remain.	(all k's) (available)
964	51 (300K) 99 (300K) 126 (300K) 184 (300K) 241 (300K) 451 (300K) 481 (300K) 486 (300K) 516 (300K) 546 (300K) 556 (300K) 564 (300K) 579 (300K) 694 (300K)	(all k's) (available)	sieve-sierp-base964-300K-500K.txt
965	none	proven
967	none	proven
968	11 (600K)	11 (available)	sieve-sierp-base968-600K-1M.txt
969	none	proven
970	2267 k's remaining at n=25K. See k's at Sierpinski Base 970 remain.	(all k's) (available)
971	342 k's remaining at n=100K. See k's at Sierpinski Base 971 remain.	(all k's) (available)
972	41 (300K) 64 (300K) 100 (300K) 162 (300K) 167 (300K) 176 (300K) 182 (300K) 183 (300K)	(all k's) (available)	sieve-sierp-base972-300K-500K.txt
973	27 k's remaining at n=100K. See k's at Sierpinski Base 973 remain.	(all k's) (available)
974	none	proven
975	2079 k's remaining at n=25K. See k's at Sierpinski Base 975 remain.	(all k's) (available)
976	48740 k's remaining at n=2.5K. See k's at Sierpinski Base 976 remain.	(all k's) (available)	sieve-sierp-base976-2.5K-10K.zip
977	34 (300K) 62 (300K) 68 (300K) 76 (300K) 110 (300K) 116 (300K) 122 (300K)	(all k's) (available)	sieve-sierp-base977-300K-500K.txt
978	21 (300K) 43 (300K) 144 (300K)	(all k's) (available)	sieve-sierp-base978-300K-500K.txt
979	none	proven
980	25 (400K)	25 SRBase 600K 2025/03/04	sieve-sierp-base980-400K-1M.txt
982	816 k's remaining at n=25K. See k's at Sierpinski Base 982 remain.	(all k's) (available)
983	8 (600K)	8 (available)	sieve-sierp-base983-600K-1M.txt
984	129 (300K) 160 (300K) 194 (300K)	(all k's) (available)	sieve-sierp-base984-300K-500K.txt
985	526 (500K) 666 (500K) 766 (500K)	(all k's) (available)
986	none	proven
987	none	proven
988	24 (300K) 343 (300K) 714 (300K) 732 (300K) 859 (300K) 898 (300K) 1542 (300K)	(all k's) (available)	sieve-sierp-base988-300K-500K.txt
989	none	proven
990	5923 k's remaining at n=10K. See k's at Sierpinski Base 990 remain.	(all k's) (available)
991	402 (300K) 2196 (300K) 2662 (300K) 3832 (300K) 4620 (300K)	(all k's) (available)	sieve-sierp-base991-300K-500K.txt
992	45 k's remaining at n=100K. See k's at Sierpinski Base 992 remain.	(all k's) (available)
993	6 (520K) 8 (520K)	(all k's) (available)	sieve-sierp-base993-520K-1M.txt
994	30 (300K) 81 (300K) 201 (300K) 211 (300K) 261 (300K)	(all k's) (available)	sieve-sierp-base994-300K-500K.txt
995	none	proven
996	49 k's remaining at n=100K. See k's at Sierpinski Base 996 remain.	(all k's) (available)
997	238 k's remaining at n=100K. See k's at Sierpinski Base 997 remain.	(all k's) (available)
998	12 (600K)	12 (available)	sieve-sierp-base998-600K-1M.txt
999	63 k's remaining at n=100K. See k's at Sierpinski Base 999 remain.	(all k's) (available)
1000	none	proven
1001	none	proven
1002	492 (300K) 613 (300K) 707 (300K) 917 (300K)	(all k's) (available)	sieve-sierp-base1002-300K-500K.txt
1003	94 (100K) 346 (100K) 768 (100K) 784 (100K) 1042 (100K) 1140 (100K) 1816 (100K) 1858 (100K) 2406 (100K) 2656 (100K) 3034 (100K) 3100 (100K) 3216 (100K) 3334 (100K) 3552 (100K) 3724 (100K) 3736 (100K) 4284 (100K) 4420 (100K) 4612 (100K) 4632 (100K)	(all k's) Prescott 300K 2024/11/25	sieve-sierp-base1003-100K-500K.zip
1004	2 (600K)	2 (available)	sieve-sierp-base1004-600K-1M.txt
1005	225 k's remaining at n=100K. See k's at Sierpinski Base 1005 remain.	(all k's) (available)
1006	96 (500K) 151 (500K) 172 (500K) 303 (500K) 381 (500K)	(all k's) (available)	sieve-sierp-base1006-500K-1M.txt
1007	none	proven
1008	350615 k's remaining at n=2.5K. See k's at Sierpinski Base 1008 remain.	(all k's) (available)
1009	144 (600K)	144 (available)	sieve-sierp-base1009-600K-1M.txt
1010	43 (300K) 73 (300K) 75 (300K) 122 (300K) 125 (300K) 131 (300K) 138 (300K) 194 (300K) 215 (300K) 251 (300K) 269 (300K) 271 (300K) 283 (300K) 290 (300K) 313 (300K)	(all k's) (available)	sieve-sierp-base1010-300K-500K.txt
1011	none	proven
1012	104 k's remaining at n=100K. See k's at Sierpinski Base 1012 remain.	(all k's) (available)
1013	none	proven
1014	none	proven
1015	21816 k's remaining at n=10K. See k's at Sierpinski Base 1015 remain.	(all k's) (available)
1016	none	proven
1017	52 (350K) 82 (350K) 88 (350K) 332 (350K) 432 (350K) 766 (350K) 818 (350K) 824 (350K) 1018 (350K) 1156 (350K) 1272 (350K) 1468 (350K)	(all k's) (available)	sieve-sierp-base1017-350K-500K.txt
1018	1534 k's remaining at n=25K. See k's at Sierpinski Base 1018 remain.	(all k's) (available)
1019	none	proven
1020	No testing done.	(all k's) (available)
1021	636 (300K) 778 (300K) 820 (300K) 2050 (300K)	(all k's) (available)	sieve-sierp-base1021-300K-500K.txt
1022	none	proven
1023	2531 k's remaining at n=25K. See k's at Sierpinski Base 1023 remain.	(all k's) (available)
1024	none	proven
1025	none	proven
1026	none	proven
1027	222 k's remaining at n=200K. See k's at Sierpinski Base 1027 remain.	(all k's) (available)
1028	none	proven
1029	none	proven
1030	193 k's remaining at n=100K. See k's at Sierpinski Base 1030 remain.	(all k's) (available)	Partially sieved file: sieve-sierp-base1030-100K-250K.zip