Riesel conjecture reservations

Started: Dec. 14, 2007
Last update: Oct. 30, 2025

Compiled by Gary Barnes

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

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

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

Base	Riesel k testing (n-range completed)	Riesel k / reserved by / n-range reserved / last status date	Sieve file(s) / general info.
2	43 k's remaining at n>=10M. See k's and test limits at Riesel Base 2 remain.	351134 (available)     478214 (available)     (other k's) Riesel Problem project 50M 2025/10/05	All odd k's are worked on by PrimeGrid's Riesel Problem project.  See k's and test limits at Riesel Problem stats. k = 23669 and 31859 testing are the same as bases 4 and 16 for the same k-values. sieve-R2-evenk-10M-16.777M.txt
2 2nd conjecture	527587 (9M) 539069 (9M) 548441 (9M) 578593 (9M) 581053 (9M) 587759 (9M) 589783 (9M) 593219 (9M) 600461 (9M) 606674 (9M) 611773 (9M) 613211 (9M) 641579 (9M) 671413 (9M) 672071 (9M) 681041 (9M) 685183 (9M) 686711 (9M) 704501 (9M) 705329 (9M) 746321 (9M) 747133 (9M) 755857 (9M)	(all k's) (available)	Only 509203<k<762701 are considered. sieve-R2-2nd-conj-9M-10M.txt
2 even-n	9519 (16.777M) 14361 (10M)	(all k's) (available)	Only k's where k = = 3 mod 6 are considered. See additional details at The Liskovets-Gallot conjectures. k = 9519 testing is the same as bases 4, 16, and 256 for the same k-value. k = 14361 testing is the same as base 4 for the same k-value. sieve-R2-evenn-k14361-10M-16.777M.txt
2 odd-n	39687 (10M) 103947 (10M) 154317 (10M) 163503 (10M)	(all k's) (available)	Only k's where k = = 3 mod 6 are considered. See additional details at The Liskovets-Gallot conjectures. sieve-R2-oddn-10M-16.777M.txt
3	98855 k's remaining at n>=100K. See k's and test limits at Riesel Base 3 remain.	3677878 KEP 6M 2025/07/01 (other k's) (available)	sieve-riesel-base3-k3677878-0M-50M.zip sieve-riesel-base3-11G-20G-100K-200K.zip
4	9519 (8.388M) 14361 (5M) 19464 (5M) 23669 (8.275M) 31859 (8.275M)	23669 Riesel Problem project 25M 2025/10/05 31859 Riesel Problem project 25M 2025/10/05 (other k's) (available)	k's where k = = 2 mod 3 are worked on by PrimeGrid's Riesel Problem project.  k's, test limits, and primes are converted from base 2. k = 9519 testing is the same as bases 2 even-n, 16, and 256 for the same k-value. k = 14361 testing is the same as base 2 even-n for the same k-value. k = 19464 testing is the same as base 16 for the same k-value. k = 23669 and 31859 testing are the same as bases 2 and 16 for the same k-values. sieve-riesel-base4-k19464-5M-8.388M.txt
5	52 k's remaining at n=5.7M. See k's at Riesel Base 5 remain.	(all k's) Sierpinski/Riesel base 5 project 25M 2025/10/10	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 = 4906 testing is the same as bases 25 and 625 k = 24530. k = 23906 testing is the same as bases 25 and 625 for the same k-value. k = 26222, 68132, 81134, 92936, 109238, 109862, 145484, 146756, 154844, 164852, 187916, 190334, 195872, 206894, 231674, 239342, 248546, 285728, 298442, 304004, 318278, 325922, and 335414 testing are the same as base 25 for the same k-values. k = 35248 testing is the same as base 25 k = 176240.
6	1597 (8.5M)	1597 (available)	k = 1597 testing is the same as base 36 k = 9582. sieve-riesel-base6-8.5M-15M.txt
7	976085 k's remaining for k<=21G at n>=10K. See k's and test limits at Riesel Base 7 remain.	<=21G (available)     21G-31G rebirther 10K 2025/10/25 >31G	sieve-riesel-base7-300M-400M-25K-100K.zip sieve-riesel-base7-400M-500M-25K-100K.zip
8	none	proven
9	none	proven
10	4421 (5M)	4421 (available)
11	none	proven
12	none	proven
13	none	proven
14	none	proven
15	25926 k's remaining for k<=1G at n>=10K. See k's and test limits at Riesel Base 15 remain.	(all k's) (available)
16	443 (2M) 2297 (2M) 9519 (4.194M) 13380 (2M) 13703 (2M) 19464 (2.5M) 19772 (2M) 23669 (4.1375M) 24987 (2M) 26378 (2M) 28967 (2M) 29885 (2M) 31859 (4.1375M) 33023 (2M)	23669 Riesel Problem project 12.5M 2025/10/05 31859 Riesel Problem project 12.5M 2025/10/05 (other k's) (available)	k's where k = = 14 mod 15 are worked on by PrimeGrid's Riesel Problem project.  k's, test limits, and primes are converted from base 2. k = 443 testing is the same as base 256 k = 7088. k = 2297 testing is the same as base 256 for the same k-value. k = 9519 testing is the same as bases 2 even-n, 4, and 256 for the same k-value. k = 19464 testing is the same as base 4 for the same k-value. k = 23669 and 31859 testing are the same as bases 2 and 4 for the same k-values. k=443, 2297, 13380, 19464, & 19772 only: sieve-riesel-base16-5ks-2M-3M.txt
17	none	proven
18	none	proven
19	675 k's remaining at n>=300K. See k's and test limits at Riesel Base 19 remain.	(all k's) (available)	k = 366 odd-n testing is the same as base 361 k = 6954, even-n is divisible by 5. sieve-riesel-base19-275K-500K.zip
20	none	proven
21	none	proven
22	3656 (5M)	3656 (available)
23	404 (4M)	404 (available)	sieve-riesel-base23-4M-5M.txt
24	49 k's remaining at n=800K. See k's at Riesel Base 24 remain.	(all k's) SRBase 1M 2025/10/10	k = 3754, 4239, 5784, 10219, 10399, 12429, 13269, 15614, and 17019 testing are the same as base 576 for the same k-values. sieve-riesel-base24-800K-1M.zip
25	68 k's remaining at n>=800K. See k's and test limits at Riesel Base 25 remain.	23906 * 12.5M 2025/10/10 24530 * 12.5M 2025/10/10 26222 * 12.5M 2025/10/10 68132 * 12.5M 2025/10/10 81134 * 12.5M 2025/10/10 92936 * 12.5M 2025/10/10 109238 * 12.5M 2025/10/10 109862 * 12.5M 2025/10/10 145484 * 12.5M 2025/10/10 146756 * 12.5M 2025/10/10 154844 * 12.5M 2025/10/10 164852 * 12.5M 2025/10/10 176240 * 12.5M 2025/10/10 187916 * 12.5M 2025/10/10 190334 * 12.5M 2025/10/10 195872 * 12.5M 2025/10/10 206894 * 12.5M 2025/10/10 231674 * 12.5M 2025/10/10 239342 * 12.5M 2025/10/10 248546 * 12.5M 2025/10/10 285728 * 12.5M 2025/10/10 298442 * 12.5M 2025/10/10 304004 * 12.5M 2025/10/10 318278 * 12.5M 2025/10/10 325922 * 12.5M 2025/10/10 335414 * 12.5M 2025/10/10 (other k's) SRBase 1M 2025/10/14	* k's where k = = 2 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 = 366 even-n testing is the same as base 625 for the same k-value. k = 366 odd-n testing is the same as base 625 k = 9150. k = 23906 testing is the same as bases 5 and 625 for the same k-value. k = 24530 testing is the same as base 5 k = 4906 and base 625 for the same k-value. k = 26222, 68132, 81134, 92936, 109238, 109862, 145484, 146756, 154844, 164852, 187916, 190334, 195872, 206894, 231674, 239342, 248546, 285728, 298442, 304004, 318278, 325922, and 335414 testing are the same as base 5 for the same k-values. k = 176240 testing is the same as base 5 k = 35248. sieve-riesel-base25-800K-1M.zip
26	none	proven
27	706 (5M)	706 (available)
28	233 (1M) 1422 (1M) 4322 (1M) 4871 (1M)	(all k's) (available)	Partially sieved file: sieve-riesel-base28-1M-3M.txt
29	none	proven
30	659 (1M) 1024 (1M) 1580 (1M) 1936 (1M) 2293 (1M) 2916 (1M) 4897 (1M)	(all k's) (available)
31	55758 (3M)	55758 (available)	sieve-riesel-base31-3M-5M.txt
32	none	proven
33	none	proven
34	none	proven
35	281 k's remaining at n=250K. See k's at Riesel Base 35 remain.	(all k's) (available)	sieve-riesel-base35-250K-500K.zip
36	29 k's remaining at n>=508K. See k's and test limits at Riesel Base 36 remain.	9582 (available)     (other k's) VBCurtis ? 2025/06/20	k = 9582 testing is the same as base 6 k = 1597. All k's except k = 9582: sieve-riesel-base36-465K-2M.zip
37	522 (700K) 816 (700K) 1614 (700K) 2148 (700K) 2640 (700K) 3972 (700K) 4428 (700K) 5910 (700K) 6752 (700K) 7088 (700K) 7352 (700K)	(all k's) SRBase 1M 2025/10/10	sieve-riesel-base37-700K-1M.txt
38	none	proven
39	2134 k's remaining at n>=100K. See k's and test limits at Riesel Base 39 remain.	(all k's) (available)
40	1117 k's remaining at n=100K. See k's at Riesel Base 40 remain.	(all k's) (available)
41	none	proven
42	603 (500K) 1049 (500K) 2538 (500K) 4903 (500K) 5118 (500K) 5978 (500K) 6836 (500K) 6964 (500K) 7309 (500K) 8297 (500K) 8341 (500K) 9029 (500K) 9201 (500K) 9633 (500K) 9848 (500K) 11267 (500K) 11781 (500K) 11911 (500K) 11996 (500K) 12125 (500K) 12213 (500K) 12598 (500K) 13288 (500K) 13347 (500K)	(all k's) (available)	sieve-riesel-base42-500K-1M.zip
43	none	proven
44	none	proven
45	2804 (700K) 6094 (700K) 10096 (700K) 13546 (700K) 15432 (700K) 17918 (700K)	(all k's) (available)	sieve-riesel-base45-700K-1M.txt
46	800 (700K) 1317 (700K) 3812 (700K) 4419 (700K) 6060 (700K) 6062 (700K) 7472 (700K)	(all k's) (available)	sieve-riesel-base46-700K-1M.txt
47	none	proven
48	313 (500K) 384 (500K) 909 (500K) 916 (500K) 1093 (500K) 1457 (500K) 1686 (500K) 1877 (500K) 1896 (500K) 1898 (500K) 2071 (500K) 2148 (500K) 2157 (500K) 2172 (500K) 2402 (500K) 2549 (500K) 2589 (500K) 2682 (500K) 2927 (500K) 2939 (500K) 3044 (500K) 3067 (500K)	(all k's) (available)	sieve-riesel-base48-500K-1M.zip
49	none	proven
50	none	proven
51	10432 k's remaining at n>=25K. See k's and test limits at Riesel Base 51 remain.	(all k's) (available)
52	70 k's remaining at n=500K. See k's at Riesel Base 52 remain.	(all k's) (available)
53	57 k's remaining at n=500K. See k's at Riesel Base 53 remain.	(all k's) (available)
54	none	proven
55	2330 (600K) 3158 (600K) 3578 (600K) 4878 (600K) 6098 (600K)	(all k's) (available)	sieve-riesel-base55-600K-1M.txt
56	none	proven
57	none	proven
58	255 k's remaining at n=100K. See k's at Riesel Base 58 remain.	(all k's) (available)
59	none	proven
60	36 (600K) 1770 (600K) 4708 (600K) 5317 (600K) 6162 (600K) 6274 (600K) 7060 (600K) 7870 (600K) 8722 (600K) 9454 (600K) 11101 (600K) 12072 (600K) 13297 (600K) 13480 (600K) 14851 (600K) 15800 (600K) 17620 (600K) 18972 (600K) 19336 (600K) 19394 (600K)	(all k's) (available)	sieve-riesel-base60-600K-1M.zip
61	9642 (1M) 10572 (1M)	(all k's) (available)
62	none	proven
63	177330 k's remaining at n=25K. See k's at Riesel Base 63 remain.	(all k's) (available)	Partially sieved file is available for n=25K-100K.
64	none	proven
65	none	proven
66	53625 k's remaining at n>=25K. See k's and test limits at Riesel Base 66 remain.	(all k's) (available)
67	2228 (1.5M)	2228 (available)	sieve-riesel-base67-1.5M-3M.txt
68	none	proven
69	none	proven
70	1776 (1M) 2202 (1M)	(all k's) (available)
71	19068114 k's remaining at n>=1K. See k's and test limits at Riesel Base 71 remain.	(all k's) (available)
72	none	proven
73	none	proven
74	none	proven
75	1388 (600K) 1538 (600K) 3320 (600K) 3592 (600K) 3628 (600K) 3742 (600K)	(all k's) (available)	sieve-riesel-base75-600K-1M.txt
76	none	proven
77	none	proven
78	31 k's remaining at n=500K. See k's at Riesel Base 78 remain.	(all k's) (available)
79	4993 k's remaining at n=100K. See k's at Riesel Base 79 remain.	(all k's) (available)
80	31 (1M) 214 (1M)	(all k's) (available)
81	none	proven
82	38 k's remaining at n=500K. See k's at Riesel Base 82 remain.	(all k's) (available)
83	none	proven
84	none	proven
85	298620 k's remaining at n>=5K. See k's and test limits at Riesel Base 85 remain.	(all k's) (available)
86	none	proven
87	172 (500K) 384 (500K) 562 (500K) 672 (500K) 714 (500K) 848 (500K) 862 (500K) 1132 (500K) 1154 (500K) 1418 (500K)	(all k's) (available)	sieve-riesel-base87-500K-1M.txt
88	1247 (500K) 2010 (500K) 2258 (500K) 2493 (500K) 2744 (500K) 3641 (500K) 4572 (500K) 5112 (500K) 5121 (500K) 5307 (500K) 6101 (500K) 6329 (500K) 6353 (500K) 6498 (500K) 6759 (500K) 7842 (500K) 7911 (500K) 7968 (500K) 8990 (500K)	(all k's) (available)	sieve-riesel-base88-500K-1M.zip
89	none	proven
90	none	proven
91	26 k's remaining at n=500K. See k's at Riesel Base 91 remain.	(all k's) (available)
92	none	proven
93	424 (1.6M)	424 (available)	sieve-riesel-base93-1.6M-3M.txt
94	29 (1.5M)	29 (available)	sieve-riesel-base94-1.5M-5M.txt
95	632 (500K) 844 (500K) 1268 (500K) 1408 (500K) 1516 (500K) 1562 (500K) 1780 (500K) 1876 (500K)	(all k's) (available)	sieve-riesel-base95-500K-1M.txt
96	872 (500K) 1648 (500K) 7274 (500K) 9677 (500K) 15573 (500K) 17653 (500K) 21488 (500K) 23570 (500K) 28774 (500K) 30120 (500K) 32205 (500K)	(all k's) (available)	sieve-riesel-base96-500K-1M.zip
97	132 k's remaining at n=100K. See k's at Riesel Base 97 remain.	(all k's) (available)
98	none	proven
99	none	proven
100	none	proven
101	none	proven
102	191 (500K) 207 (500K) 1082 (500K) 1369 (500K)	(all k's) (available)	sieve-riesel-base102-500K-1M.txt
103	924 (1M)	924 (available)	sieve-riesel-base103-1M-3M.txt
104	none	proven
105	29 k's remaining at n=400K. See k's at Riesel Base 105 remain.	(all k's) (available)	sieve-riesel-base105-400K-500K.txt
106	590 k's remaining at n=100K. See k's at Riesel Base 106 remain.	(all k's) (available)
107	100 (500K) 200 (500K) 208 (500K) 250 (500K) 358 (500K) 382 (500K) 404 (500K) 436 (500K) 508 (500K) 536 (500K) 568 (500K) 596 (500K) 632 (500K)	(all k's) (available)	sieve-riesel-base107-500K-1M.txt
108	43 k's remaining at n=400K. See k's at Riesel Base 108 remain.	(all k's) (available)	sieve-riesel-base108-400K-500K.zip
109	84 (1M)	84 (available)	sieve-riesel-base109-1M-3M.txt
110	none	proven
111	2024 (500K) 2612 (500K) 3244 (500K) 4320 (500K) 7622 (500K) 7748 (500K)	(all k's) (available)	sieve-riesel-base111-500K-1M.txt
112	1662 (600K) 3327 (600K)	(all k's) (available)	sieve-riesel-base112-600K-1M.txt
113	none	proven
114	none	proven
115	35 k's remaining at n=400K. See k's at Riesel Base 115 remain.	(all k's) (available)	sieve-riesel-base115-400K-500K.txt
116	none	proven
117	1358 (500K) 3128 (500K) 3440 (500K) 3480 (500K) 4476 (500K) 4898 (500K) 5014 (500K) 5486 (500K)	(all k's) (available)	sieve-riesel-base117-500K-1M.txt
118	none	proven
119	none	proven
120	1339863 k's remaining at n=2.5K. See k's at Riesel Base 120 remain.	(all k's) (available)
121	none	proven
122	none	proven
123	24 (1M)	24 (available)
124	54450 k's remaining at n>=10K. See k's and test limits at Riesel Base 124 remain.	(all k's) (available)	Partially sieved file: sieve-riesel-base124-10K-25K.zip
125	none	proven
126	4532 k's remaining at n=25K. See k's at Riesel Base 126 remain.	(all k's) (available)
128	none	proven
129	none	proven
130	4115 k's remaining at n=25K. See k's at Riesel Base 130 remain.	(all k's) (available)
131	none	proven
132	none	proven
133	926 (1M)	926 (available)
134	none	proven
135	240 (400K) 1038 (400K) 1240 (400K) 1786 (400K) 2328 (400K) 2930 (400K)	(all k's) (available)	sieve-riesel-base135-400K-1M.txt
136	51 k's remaining at n=100K. See k's at Riesel Base 136 remain.	(all k's) (available)	sieve-riesel-base136-100K-500K.zip
137	none	proven
138	408 (500K) 688 (500K) 831 (500K) 1074 (500K) 1743 (500K)	(all k's) (available)	sieve-riesel-base138-500K-1M.txt
139	none	proven
140	none	proven
141	2254325 k's remaining at n=2.5K. See k's at Riesel Base 141 remain.	(all k's) (available)
142	none	proven
143	206 (500K) 284 (500K) 410 (500K) 482 (500K) 494 (500K) 536 (500K) 884 (500K) 892 (500K) 968 (500K) 1094 (500K) 1124 (500K) 1162 (500K) 1186 (500K) 1198 (500K)	(all k's) (available)	sieve-riesel-base143-500K-1M.zip
144	none	proven
145	120 k's remaining at n=100K. See k's at Riesel Base 145 remain.	(all k's) (available)
146	none	proven
147	166 k's remaining at n=100K. See k's at Riesel Base 147 remain.	(all k's) (available)
148	1743 (500K) 3012 (500K) 4757 (500K) 4844 (500K)	(all k's) (available)	sieve-riesel-base148-500K-1M.txt
149	none	proven
150	71 k's remaining at n=100K. See k's at Riesel Base 150 remain.	(all k's) (available)
151	365 k's remaining at n=320K. See k's at Riesel Base 151 remain.	(all k's) (available)
152	none	proven
153	none	proven
154	none	proven
155	none	proven
157	1026 (500K) 1296 (500K) 3098 (500K) 3104 (500K)	(all k's) (available)	sieve-riesel-base157-500K-1M.txt
158	29 (700K) 44 (700K)	(all k's) (available)	sieve-riesel-base158-700K-1M.txt
159	none	proven
160	116 (1M)	116 (available)
161	194 (500K) 344 (500K) 378 (500K) 428 (500K) 448 (500K) 892 (500K) 1240 (500K) 1438 (500K) 1730 (500K) 1988 (500K) 2042 (500K) 2200 (500K) 2878 (500K) 3008 (500K)	(all k's) (available)	sieve-riesel-base161-500K-1M.zip
162	2118 (700K) 2841 (700K)	(all k's) (available)	sieve-riesel-base162-700K-1M.txt
163	254 (1M)	254 (available)
164	none	proven
165	none	proven
166	91 k's remaining at n=100K. See k's at Riesel Base 166 remain.	(all k's) (available)
167	none	proven
168	31 k's remaining at n=400K. See k's at Riesel Base 168 remain.	(all k's) (available)	sieve-riesel-base168-400K-500K.txt
169	none	proven
170	none	proven
171	75 k's remaining at n=100K. See k's at Riesel Base 171 remain.	(all k's) (available)
172	219 (500K) 387 (500K) 1140 (500K)	(all k's) (available)	sieve-riesel-base172-500K-1M.txt
173	22 (1M)	22 (available)
174	none	proven
175	1028208 k's remaining at n=2.5K. See k's at Riesel Base 175 remain.	(all k's) (available)
176	none	proven
177	none	proven
178	none	proven
179	none	proven
180	110328 k's remaining at n=2.5K. See k's at Riesel Base 180 remain.	(all k's) (available)	Partially sieved file: sieve-riesel-base180-2.5K-10K.zip
181	168 (1M)	168 (available)
182	none	proven
183	none	proven
184	none	proven
185	none	proven
186	none	proven
187	1182 (500K) 1926 (500K)	(all k's) (available)	sieve-riesel-base187-500K-1M.txt
188	none	proven
189	none	proven
190	274 k's remaining at n=100K. See k's at Riesel Base 190 remain.	(all k's) (available)
191	204 (500K) 254 (500K)	(all k's) (available)	sieve-riesel-base191-500K-1M.txt
192	113 k's remaining at n=100K. See k's at Riesel Base 192 remain.	(all k's) (available)
193	232 k's remaining at n=100K. See k's at Riesel Base 193 remain.	(all k's) (available)
194	none	proven
195	6398183 k's remaining at n=2.5K. See k's at Riesel Base 195 remain.	(all k's) (available)
196	1992 k's remaining at n=25K. See k's at Riesel Base 196 remain.	(all k's) (available)
197	none	proven
198	81 (400K) 172 (400K) 424 (400K) 464 (400K) 484 (400K) 529 (400K) 991 (400K) 1283 (400K) 1792 (400K) 1856 (400K) 2304 (400K) 2445 (400K) 2577 (400K) 2811 (400K) 2934 (400K) 3103 (400K) 3207 (400K) 3329 (400K) 3342 (400K) 3602 (400K) 3649 (400K)	(all k's) (available)	sieve-riesel-base198-400K-500K.txt
199	35 k's remaining at n=300K. See k's at Riesel Base 199 remain.	(all k's) (available)	sieve-riesel-base199-300K-500K.zip
200	none	proven
201	9769 k's remaining at n=25K. See k's at Riesel Base 201 remain.	(all k's) (available)
202	none	proven
203	none	proven
204	none	proven
205	33171 k's remaining at n=2.5K. See k's at Riesel Base 205 remain.	(all k's) (available)	sieve-riesel-base205-2.5K-10K.zip
206	none	proven
207	280 k's remaining at n=100K. See k's at Riesel Base 207 remain.	(all k's) (available)
208	none	proven
209	none	proven
210	239583 k's remaining at n=2.5K. See k's at Riesel Base 210 remain.	(all k's) (available)	Partially sieved file is available for n=2.5K-10K.
211	2172 (500K) 2810 (500K) 3714 (500K) 4910 (500K)	(all k's) (available)	sieve-riesel-base211-500K-1M.txt
212	14 (500K) 36 (500K) 53 (500K) 67 (500K)	(all k's) (available)	sieve-riesel-base212-500K-1M.txt
213	none	proven
214	11 (1M)	11 (available)	Partially sieved file: sieve-riesel-base214-1M-5M.txt
215	237 k's remaining at n=100K. See k's at Riesel Base 215 remain.	(all k's) (available)
216	none	proven
217	1376 (500K) 2642 (500K)	(all k's) (available)	sieve-riesel-base217-500K-1M.txt
218	53 (500K) 59 (500K)	(all k's) (available)	sieve-riesel-base218-500K-1M.txt
219	none	proven
220	none	proven
221	32 (1M)	32 (available)
222	258 k's remaining at n=100K. See k's at Riesel Base 222 remain.	(all k's) (available)
223	402 k's remaining at n=100K. See k's at Riesel Base 223 remain.	(all k's) (available)
224	none	proven
225	128 k's remaining at n=100K. See k's at Riesel Base 225 remain.	(all k's) (available)
226	509 k's remaining at n=25K. See k's at Riesel Base 226 remain.	(all k's) (available)
227	none	proven
228	121 k's remaining at n=100K. See k's at Riesel Base 228 remain.	(all k's) (available)
229	none	proven
230	none	proven
231	55 k's remaining at n=100K. See k's at Riesel Base 231 remain.	(all k's) (available)
232	884 k's remaining at n=25K. See k's at Riesel Base 232 remain.	(all k's) (available)
233	10 (1M)	10 (available)
234	6 (1M)	6 (available)
235	294 (300K) 1926 (300K) 2598 (300K) 2832 (300K) 3194 (300K) 3788 (300K) 4778 (300K)	(all k's) (available)	sieve-riesel-base235-300K-500K.txt
236	none	proven
237	none	proven
238	57141 k's remaining at n=2.5K. See k's at Riesel Base 238 remain.	(all k's) (available)	sieve-riesel-base238-2.5K-10K.zip
239	none	proven
240	56648 k's remaining at n=2.5K. See k's at Riesel Base 240 remain.	(all k's) (available)	sieve-riesel-base240-2.5K-10K.zip
241	1682 (500K) 2168 (500K) 4014 (500K) 4082 (500K) 4610 (500K) 5312 (500K) 5864 (500K) 6128 (500K) 8504 (500K) 9362 (500K) 9998 (500K) 12044 (500K) 12270 (500K) 12924 (500K) 14202 (500K) 14354 (500K)	(all k's) (available)
242	none	proven
243	31 k's remaining at n=210K. See k's at Riesel Base 243 remain.	(all k's) (available)	sieve-riesel-base243-210K-400K.zip
244	none	proven
245	none	proven
246	none	proven
247	1913 k's remaining at n=25K. See k's at Riesel Base 247 remain.	(all k's) (available)
248	none	proven
249	133 k's remaining at n=100K. See k's at Riesel Base 249 remain.	(all k's) (available)
250	2480 k's remaining at n=25K. See k's at Riesel Base 250 remain.	(all k's) (available)
251	none	proven
252	none	proven
253	1854 (1M)	1854 (available)	Partially sieved file: sieve-riesel-base253-1M-5M.txt
254	none	proven
255	287 k's remaining at n=100K. See k's and test limits at Riesel Base 255 remain.	(all k's) (available)
256	659 (1M) 807 (1M) 1695 (1M) 1808 (1M) 2237 (1M) 2297 (1M) 2759 (1M) 4377 (1M) 4559 (1M) 5768 (1M) 7088 (1M) 7130 (1M) 7673 (1M) 7968 (1M) 8087 (1M) 8334 (1M) 8765 (1M) 9519 (2.097M) 10154 (1M)	(all k's) (available)	k = 2297 testing is the same as base 16 for the same k-value. k = 7088 testing is the same as base 16 k = 443. k = 9519 testing is the same as bases 2 even-n, 4, and 16 for the same k-value. All k's except k = 9519: sieve-riesel-base256-1M-1.5M.zip
257	none	proven
258	none	proven
259	none	proven
260	none	proven
261	58155 k's remaining at n=2.5K. See k's at Riesel Base 261 remain.	(all k's) (available)	sieve-riesel-base261-2.5K-10K.zip
262	118 k's remaining at n=100K. See k's at Riesel Base 262 remain.	(all k's) (available)
263	none	proven
264	none	proven
265	none	proven
266	none	proven
267	5761 k's remaining at n=10K. See k's at Riesel Base 267 remain.	(all k's) (available)	sieve-riesel-base267-10K-25K.zip
268	267 (500K) 408 (500K) 599 (500K) 806 (500K) 863 (500K) 1101 (500K) 1136 (500K) 1143 (500K) 1296 (500K)	(all k's) (available)
269	none	proven
270	69 k's remaining at n=100K. See k's at Riesel Base 270 remain.	(all k's) (available)
271	320252 k's remaining at n=2.5K. See k's at Riesel Base 271 remain.	(all k's) (available)	Partially sieved file is available for n=2.5K-10K.
272	none	proven
273	136 (300K) 156 (300K) 962 (300K) 1758 (300K) 2072 (300K) 3424 (300K) 3756 (300K) 5226 (300K) 5802 (300K)	(all k's) (available)	sieve-riesel-base273-300K-500K.txt
275	4 (1M)	4 (available)
276	6374 k's remaining at n=10K. See k's at Riesel Base 276 remain.	(all k's) (available)
277	84 (300K) 764 (300K) 1178 (300K) 1808 (300K) 1908 (300K) 2064 (300K) 2640 (300K) 2642 (300K) 2690 (300K) 3032 (300K) 3896 (300K) 4082 (300K) 4428 (300K) 4512 (300K) 4586 (300K) 5118 (300K) 5238 (300K) 5378 (300K) 6486 (300K) 6822 (300K)	(all k's) (available)	sieve-riesel-base277-300K-500K.zip
278	none	proven
279	none	proven
281	38 (500K) 314 (500K)	(all k's) (available)	sieve-riesel-base281-500K-1M.txt
282	229 k's remaining at n=100K. See k's at Riesel Base 282 remain.	(all k's) (available)
283	1118 k's remaining at n=25K. See k's at Riesel Base 283 remain.	(all k's) (available)
284	none	proven
285	none	proven
286	none	proven
287	156 k's remaining at n=100K. See k's at Riesel Base 287 remain.	(all k's) (available)
288	339 (500K) 509 (500K)	(all k's) (available)	sieve-riesel-base288-500K-1M.txt
289	none	proven
290	none	proven
291	638 (300K) 1782 (300K) 2304 (300K) 3600 (300K) 3868 (300K) 5894 (300K) 6330 (300K) 6724 (300K) 7184 (300K) 7870 (300K) 8390 (300K) 8540 (300K) 8688 (300K) 9468 (300K) 9634 (300K) 10294 (300K) 10474 (300K) 10732 (300K) 12882 (300K) 14348 (300K) 14964 (300K) 14968 (300K) 14998 (300K) 16132 (300K)	(all k's) (available)	sieve-riesel-base291-300K-500K.zip
292	219 k's remaining at n=100K. See k's at Riesel Base 292 remain.	(all k's) (available)
293	none	proven
294	none	proven
295	880 k's remaining at n=25K. See k's at Riesel Base 295 remain.	(all k's) (available)
296	none	proven
297	678 k's remaining at n=25K. See k's at Riesel Base 297 remain.	(all k's) (available)
298	27 (500K) 92 (500K)	(all k's) (available)	sieve-riesel-base298-500K-1M.txt
299	none	proven
300	none	proven
301	734 k's remaining at n=25K. See k's at Riesel Base 301 remain.	(all k's) (available)
302	none	proven
303	1077 k's remaining at n=25K. See k's at Riesel Base 303 remain.	(all k's) (available)
304	131 (300K) 284 (300K) 294 (300K) 389 (300K) 404 (300K) 411 (300K)	(all k's) (available)	sieve-riesel-base304-300K-500K.txt
305	none	proven
306	70 k's remaining at n=100K. See k's at Riesel Base 306 remain.	(all k's) (available)
307	none	proven
308	7 (500K) 43 (500K) 67 (500K) 74 (500K) 89 (500K)	(all k's) (available)
309	none	proven
310	1470 k's remaining at n=25K. See k's at Riesel Base 310 remain.	(all k's) (available)
311	none	proven
312	2534 k's remaining at n=25K. See k's at Riesel Base 312 remain.	(all k's) (available)
313	188 (300K) 2298 (300K) 3924 (300K) 4280 (300K) 4338 (300K) 4358 (300K) 6086 (300K) 6428 (300K) 7976 (300K)	(all k's) (available)	sieve-riesel-base313-300K-500K.txt
314	none	proven
315	64 (500K) 552 (500K)	(all k's) (available)	sieve-riesel-base315-500K-1M.txt
316	175 k's remaining at n=100K. See k's at Riesel Base 316 remain.	(all k's) (available)
317	none	proven
318	122 (1M)	122 (available)	sieve-riesel-base318-1M-3M.txt
319	614 (500K) 1356 (500K) 1506 (500K)	(all k's) (available)	sieve-riesel-base319-500K-1M.txt
320	73 (500K) 103 (500K)	(all k's) (available)	sieve-riesel-base320-500K-1M.txt
321	8 (800K)	8 (available)	sieve-riesel-base321-800K-1M.txt
322	none	proven
323	1836 k's remaining at n=25K. See k's at Riesel Base 323 remain.	(all k's) (available)
324	none	proven
325	511761 k's remaining at n=2.5K. See k's at Riesel Base 325 remain.	(all k's) (available)
326	50 (800K)	50 (available)	sieve-riesel-base326-800K-1M.txt
327	38 (850K) 204 (850K) 370 (850K)	(all k's) VBCurtis 1M 2025/07/11
328	8 (1M)	8 (available)	Partially sieved file: sieve-riesel-base328-1M-2M.txt
329	none	proven
330	99767 k's remaining at n=2.5K. See k's at Riesel Base 330 remain.	(all k's) (available)	Partially sieved file: sieve-riesel-base330-2.5K-10K.zip
331	486 k's remaining at n=100K. See k's at Riesel Base 331 remain.	(all k's) (available)
332	18 (800K)	18 (available)	sieve-riesel-base332-800K-1M.txt
333	16 (1M)	16 (available)	Partially sieved file: sieve-riesel-base333-1M-5M.txt
334	14 (800K)	14 (available)	sieve-riesel-base334-800K-1M.txt
335	none	proven
336	67 k's remaining at n=100K. See k's at Riesel Base 336 remain.	(all k's) (available)
337	38 (500K) 222 (500K)	(all k's) (available)	sieve-riesel-base337-500K-1M.txt
338	5 (500K) 22 (500K) 44 (500K) 56 (500K)	(all k's) (available)	sieve-riesel-base338-500K-1M.txt
339	none	proven
340	none	proven
341	none	proven
342	193 (300K) 267 (300K) 393 (300K) 400 (300K) 407 (300K) 477 (300K)	(all k's) (available)	sieve-riesel-base342-300K-500K.txt
343	314 (500K) 1248 (500K) 1370 (500K) 1422 (500K)	(all k's) (available)
344	none	proven
345	9535021 k's remaining for k<=400M, 500M-600M, and 800M-900M at n=1K. See k's at Riesel Base 345 remain.	<=400M (available)     400M-500M DeleteNull 1K 2025/10/24 500M-600M (available)     600M-700M Vato 1K 2025/10/29 700M-800M Doug 1K 2025/10/30 >800M (available)
346	10419 k's remaining at n=10K. See k's at Riesel Base 346 remain.	(all k's) (available)
347	22 (1M)	22 (available)	sieve-riesel-base347-1M-3M.txt
348	143 k's remaining at n=100K. See k's at Riesel Base 348 remain.	(all k's) (available)
349	none	proven
350	none	proven
351	3364 (300K) 4900 (300K) 5884 (300K) 6214 (300K) 8174 (300K) 8722 (300K) 9074 (300K) 12110 (300K) 14334 (300K) 15872 (300K) 19040 (300K) 22452 (300K) 24608 (300K) 27358 (300K) 27642 (300K)	(all k's) (available)	sieve-riesel-base351-300K-500K.zip
352	354 (300K) 389 (300K) 414 (300K) 611 (300K) 707 (300K) 792 (300K) 977 (300K) 1026 (300K) 1178 (300K) 1413 (300K) 1653 (300K) 1919 (300K)	(all k's) (available)	sieve-riesel-base352-300K-500K.txt
353	none	proven
354	71 (800K)	71 (available)	sieve-riesel-base354-800K-1M.txt
355	56 k's remaining at n=100K. See k's at Riesel Base 355 remain.	(all k's) (available)
356	none	proven
357	1867 k's remaining at n=25K. See k's at Riesel Base 357 remain.	(all k's) (available)
358	265552 k's remaining at n=2.5K. See k's at Riesel Base 358 remain.	(all k's) (available)	Partially sieved file is available for n=2.5K-10K.
359	none	proven
360	36 k's remaining at n=100K. See k's at Riesel Base 360 remain.	(all k's) (available)
361	1772 (500K) 4832 (500K) 6954 (500K) 7422 (500K)	(all k's) (available)	k = 6954 testing is the same as base 19 k = 366 odd-n.
362	none	proven
363	none	proven
364	none	proven
365	none	proven
366	1747 (2M)	1747 (available)
367	none	proven
368	36 (1M)	36 (available)
369	none	proven
370	188 (500K) 405 (500K)	(all k's) (available)	sieve-riesel-base370-500K-1M.txt
371	none	proven
372	419 (400K) 944 (400K) 961 (400K) 1493 (400K) 1747 (400K) 1854 (400K) 2718 (400K) 2985 (400K) 3058 (400K) 3301 (400K) 3418 (400K) 4064 (400K) 4447 (400K)	(all k's) (available)	sieve-riesel-base372-400K-500K.txt
373	18 (800K)	18 (available)	sieve-riesel-base373-800K-1M.txt
374	none	proven
375	1655 k's remaining at n=25K. See k's at Riesel Base 375 remain.	(all k's) (available)
376	none	proven
377	none	proven
378	9 (300K) 112 (300K) 317 (300K) 617 (300K) 919 (300K) 1087 (300K)	(all k's) (available)	sieve-riesel-base378-300K-500K.txt
379	none	proven
380	50 (500K) 79 (500K)	(all k's) (available)	sieve-riesel-base380-500K-1M.txt
381	182 k's remaining at n=100K. See k's at Riesel Base 381 remain.	(all k's) (available)
382	132 k's remaining at n=100K. See k's at Riesel Base 382 remain.	(all k's) (available)
383	116 (694K) 134 (694K) 136 (694K) 148 (694K) 170 (694K) 178 (694K)	(all k's) (available)	sieve-riesel-base383-694K-1M.txt
384	none	proven
385	2214 k's remaining at n=25K. See k's at Riesel Base 385 remain.	(all k's) (available)
386	none	proven
387	none	proven
388	1924 k's remaining at n=25K. See k's at Riesel Base 388 remain.	(all k's) (available)
389	none	proven
390	none	proven
391	3607 k's remaining at n=25K. See k's at Riesel Base 391 remain.	(all k's) (available)
392	7 (800K)	7 (available)	sieve-riesel-base392-800K-1M.txt
393	35 k's remaining at n=100K. See k's at Riesel Base 393 remain.	(all k's) (available)
394	none	proven
395	none	proven
396	111 k's remaining at n=100K. See k's at Riesel Base 396 remain.	(all k's) (available)
397	688 k's remaining at n=25K. See k's at Riesel Base 397 remain.	(all k's) (available)
398	7 (800K)	7 (available)	sieve-riesel-base398-800K-1M.txt
399	Testing just started.	<=500M Stef42 1K 2025/10/23 >500M (available)
400	75699 k's remaining at n=5K. See k's at Riesel Base 400 remain.	(all k's) (available)
401	38 (1M)	38 (available)
402	none	proven
403	60 k's remaining at n=100K. See k's at Riesel Base 403 remain.	(all k's) (available)
404	none	proven
405	none	proven
406	260 (500K) 297 (500K)	(all k's) (available)	sieve-riesel-base406-500K-1M.txt
407	none	proven
408	40 k's remaining at n=100K. See k's at Riesel Base 408 remain.	(all k's) (available)
409	284 (500K) 344 (500K)	(all k's) (available)	sieve-riesel-base409-500K-1M.txt
410	47 (500K) 58 (500K) 64 (500K)	(all k's) (available)
411	122 k's remaining at n=100K. See k's at Riesel Base 411 remain.	(all k's) (available)
412	6 (800K)	6 (available)	sieve-riesel-base412-800K-1M.txt
413	none	proven
414	none	proven
416	55 (800K)	55 (available)	sieve-riesel-base416-800K-1M.txt
417	none	proven
418	56 k's remaining at n=100K. See k's at Riesel Base 418 remain.	(all k's) (available)
419	none	proven
420	63188 k's remaining at n=2.5K. See k's at Riesel Base 420 remain.	(all k's) (available)	Partially sieved file: sieve-riesel-base420-2.5K-10K.zip
421	50 k's remaining at n=100K. See k's at Riesel Base 421 remain.	(all k's) (available)
422	11 (500K) 14 (500K) 29 (500K) 37 (500K)	(all k's) (available)
423	264 (300K) 372 (300K) 478 (300K) 552 (300K) 998 (300K) 1074 (300K) 1324 (300K)	(all k's) (available)	sieve-riesel-base423-300K-500K.txt
424	18 (500K) 21 (500K) 44 (500K)	(all k's) (available)	sieve-riesel-base424-500K-1M.txt
425	none	proven
426	none	proven
427	8895 k's remaining at n=10K. See k's at Riesel Base 427 remain.	(all k's) (available)
428	none	proven
429	none	proven
430	432 (600K) 1688 (600K) 9954 (600K) 10433 (600K) 10614 (600K) 14465 (600K) 22412 (600K) 26244 (600K) 30971 (600K) 38246 (600K) 40319 (600K) 44394 (600K) 44510 (600K)	(all k's) (available)	sieve-riesel-base430-600K-1M.zip
431	228 k's remaining at n=100K. See k's at Riesel Base 431 remain.	(all k's) (available)
432	5417 k's remaining at n=10K. See k's at Riesel Base 432 remain.	(all k's) (available)
433	none	proven
434	none	proven
436	162 (500K) 344 (500K)	(all k's) (available)	sieve-riesel-base436-500K-1M.txt
437	none	proven
438	4 (300K) 9 (300K) 113 (300K) 234 (300K) 443 (300K) 452 (300K) 467 (300K) 718 (300K) 807 (300K) 841 (300K) 872 (300K) 905 (300K) 919 (300K) 977 (300K) 1143 (300K) 1310 (300K) 1621 (300K) 1758 (300K) 1992 (300K) 2146 (300K) 2159 (300K) 2174 (300K) 2179 (300K)	(all k's) (available)	sieve-riesel-base438-300K-500K.zip
439	44 (500K) 120 (500K)	(all k's) (available)	sieve-riesel-base439-500K-1M.txt
440	none	proven
441	none	proven
442	71 k's remaining at n=100K. See k's at Riesel Base 442 remain.	(all k's) (available)
443	none	proven
444	11 (1M) 26 (500K) 74 (500K) 96 (500K) 114 (500K)	(all k's) (available)	sieve-riesel-base444-k11-1M-2M.txt
445	91 k's remaining at n=100K. See k's at Riesel Base 445 remain.	(all k's) (available)
446	13 (500K) 55 (500K) 64 (500K)	(all k's) (available)
447	78 (500K) 118 (500K)	(all k's) (available)	sieve-riesel-base447-500K-1M.txt
448	786 k's remaining at n=25K. See k's at Riesel Base 448 remain.	(all k's) (available)
449	none	proven
450	none	proven
451	63 k's remaining at n=100K. See k's at Riesel Base 451 remain.	(all k's) (available)
452	11 (500K) 43 (500K) 52 (500K)	(all k's) (available)
453	96179 k's remaining at n=2.5K. See k's at Riesel Base 453 remain.	(all k's) (available)	Partially sieved file: sieve-riesel-base453-2.5K-10K.zip
454	none	proven
455	none	proven
456	285499 k's remaining at n=2.5K. See k's at Riesel Base 456 remain.	(all k's) (available)
457	5773 k's remaining at n=10K. See k's at Riesel Base 457 remain.	(all k's) (available)
458	11 (800K)	11 (available)	sieve-riesel-base458-800K-1M.txt
459	none	proven
460	101 k's remaining at n=100K. See k's at Riesel Base 460 remain.	(all k's) (available)
461	none	proven
462	50851 k's remaining at n=2.5K. See k's at Riesel Base 462 remain.	(all k's) (available)	sieve-riesel-base462-2.5K-10K.zip
463	216 (500K) 356 (500K)	(all k's) (available)	sieve-riesel-base463-500K-1M.txt
464	none	proven
465	1898 k's remaining at n=25K. See k's at Riesel Base 465 remain.	(all k's) (available)
466	54 k's remaining at n=100K. See k's at Riesel Base 466 remain.	(all k's) (available)
467	none	proven
468	56 (500K) 69 (500K) 162 (500K)	(all k's) (available)
469	422 (800K)	422 (available)	sieve-riesel-base469-800K-1M.txt
470	137 (800K)	137 (available)	sieve-riesel-base470-800K-1M.txt
471	302 (500K) 408 (500K)	(all k's) (available)	sieve-riesel-base471-500K-1M.txt
472	none	proven
473	none	proven
474	none	proven
475	none	proven
476	none	proven
477	740 (300K) 1678 (300K) 2624 (300K) 3552 (300K) 4148 (300K) 4338 (300K) 4954 (300K) 6282 (300K) 7528 (300K) 7886 (300K) 9746 (300K) 10234 (300K) 10682 (300K) 11114 (300K) 12262 (300K) 13326 (300K) 13666 (300K) 13828 (300K)	(all k's) (available)	sieve-riesel-base477-300K-500K.zip
478	7567 k's remaining at n>=10K. See k's and test limits at Riesel Base 478 remain.	257 hydrocyanic 200K 2025/10/15 (other k's) (available)
479	none	proven
480	none	proven
481	106341 k's remaining at n=2.5K. See k's at Riesel Base 481 remain.	(all k's) (available)
482	none	proven
483	252 (300K) 298 (300K) 474 (300K) 494 (300K) 1286 (300K) 1442 (300K) 1616 (300K) 1852 (300K) 1948 (300K) 2056 (300K) 2102 (300K) 2168 (300K) 2434 (300K)	(all k's) (available)	sieve-riesel-base483-300K-500K.txt
484	none	proven
485	91 k's remaining at n=100K. See k's at Riesel Base 485 remain.	(all k's) (available)
486	15109 k's remaining at n=10K. See k's at Riesel Base 486 remain.	(all k's) (available)
487	758 (300K) 914 (300K) 1110 (300K) 1128 (300K) 1646 (300K) 1688 (300K) 1728 (300K) 1968 (300K) 2234 (300K)	(all k's) (available)	sieve-riesel-base487-300K-500K.txt
488	28 (300K) 29 (300K) 31 (300K) 58 (300K) 74 (300K) 97 (300K) 116 (300K) 137 (300K)	(all k's) (available)	sieve-riesel-base488-300K-500K.txt
489	none	proven
490	87 k's remaining at n=100K. See k's at Riesel Base 490 remain.	(all k's) (available)
491	none	proven
492	none	proven
493	92 (800K)	92 (available)	sieve-riesel-base493-800K-1M.txt
494	none	proven
495	112 k's remaining at n=100K. See k's at Riesel Base 495 remain.	(all k's) (available)
496	57 (800K)	57 (available)	sieve-riesel-base496-800K-1M.txt
497	14 (500K) 56 (500K)	(all k's) (available)	sieve-riesel-base497-500K-1M.txt
498	835 k's remaining at n=25K. See k's at Riesel Base 498 remain.	(all k's) (available)
499	36 (300K) 356 (300K) 372 (300K) 476 (300K) 674 (300K) 714 (300K) 774 (300K) 1026 (300K) 1194 (300K) 1236 (300K) 1256 (300K) 1554 (300K) 1866 (300K) 1884 (300K) 1934 (300K) 2046 (300K) 2118 (300K)	(all k's) (available)	sieve-riesel-base499-300K-500K.txt
500	53 (500K) 82 (500K)	(all k's) (available)	sieve-riesel-base500-500K-1M.txt
501	30 (500K) 142 (500K) 324 (500K) 330 (500K)	(all k's) (available)
502	70 k's remaining at n=100K. See k's at Riesel Base 502 remain.	(all k's) (available)
503	none	proven
504	94 (600K)	94 (available)	sieve-riesel-base504-600K-1M.txt
505	68 (600K)	68 (available)	sieve-riesel-base505-600K-1M.txt
506	none	proven
507	3936 (300K) 4096 (300K) 4244 (300K) 4740 (300K) 4996 (300K) 5462 (300K) 6402 (300K) 6476 (300K) 6908 (300K) 7262 (300K) 7270 (300K) 7746 (300K) 7796 (300K) 7944 (300K) 8510 (300K) 9064 (300K) 9334 (300K) 10546 (300K) 10648 (300K) 10736 (300K) 11138 (300K)	(all k's) (available)	sieve-riesel-base507-300K-500K.zip
508	31004 k's remaining at n=2.5K. See k's at Riesel Base 508 remain.	(all k's) (available)	sieve-riesel-base508-2.5K-10K.zip
509	none	proven
510	160 (500K) 202 (500K)	(all k's) (available)	sieve-riesel-base510-500K-1M.txt
512	none	proven
513	2095 k's remaining at n=25K. See k's at Riesel Base 513 remain.	(all k's) (available)
514	none	proven
515	none	proven
516	87 (600K)	87 (available)	sieve-riesel-base516-600K-1M.txt
517	none	proven
518	7 (300K) 58 (300K) 74 (300K) 113 (300K) 139 (300K)	(all k's) (available)	sieve-riesel-base518-300K-500K.txt
519	none	proven
520	324 (500K) 576 (500K) 1094 (500K)	(all k's) (available)
521	none	proven
522	149 k's remaining at n=100K. See k's at Riesel Base 522 remain.	(all k's) (available)
523	none	proven
524	none	proven
525	53207 k's remaining at n=2.5K. See k's at Riesel Base 525 remain.	(all k's) (available)	sieve-riesel-base525-2.5K-10K.zip
526	125 (500K) 273 (500K) 630 (500K)	(all k's) (available)	sieve-riesel-base526-500K-1M.txt
527	none	proven
528	none	proven
529	none	proven
530	10 (300K) 32 (300K) 43 (300K) 55 (300K)	(all k's) (available)	sieve-riesel-base530-300K-1M.txt
531	none	proven
532	none	proven
533	74 (600K)	74 (available)	sieve-riesel-base533-600K-1M.txt
534	29 (500K) 59 (500K)	(all k's) (available)	sieve-riesel-base534-500K-1M.txt
535	2117 k's remaining at n=25K. See k's at Riesel Base 535 remain.	(all k's) (available)
536	9 (300K) 29 (300K) 32 (300K) 79 (300K) 107 (300K) 144 (300K) 152 (300K) 163 (300K) 170 (300K)	(all k's) (available)	sieve-riesel-base536-300K-500K.txt
537	1041 k's remaining at n=25K. See k's at Riesel Base 537 remain.	(all k's) (available)
538	none	proven
539	none	proven
540	1121 k's remaining at n=25K. See k's at Riesel Base 540 remain.	(all k's) (available)
541	121957 k's remaining at n=2.5K. See k's at Riesel Base 541 remain.	(all k's) (available)	sieve-riesel-base541-2.5K-10K.zip
542	11 (300K) 19 (300K) 37 (300K) 42 (300K) 74 (300K) 80 (300K) 97 (300K) 100 (300K) 131 (300K) 134 (300K) 149 (300K)	(all k's) (available)	sieve-riesel-base542-300K-500K.txt
543	40 k's remaining at n=100K. See k's at Riesel Base 543 remain.	(all k's) (available)
544	none	proven
545	none	proven
546	75963 k's remaining at n=2.5K. See k's at Riesel Base 546 remain.	(all k's) (available)	Partially sieved file: sieve-riesel-base546-2.5K-10K.zip
547	3234 k's remaining at n=25K. See k's at Riesel Base 547 remain.	(all k's) (available)
548	7 (600K)	7 (available)	sieve-riesel-base548-600K-1M.txt
549	6 (600K)	6 (available)	sieve-riesel-base549-600K-1M.txt
550	57 (300K) 153 (300K) 225 (300K) 324 (300K) 609 (300K)	(all k's) (available)	sieve-riesel-base550-300K-500K.txt
551	10 (600K)	10 (available)	sieve-riesel-base551-600K-1M.txt
552	15 (400K) 34 (400K) 43 (400K) 69 (400K)	(all k's) (available)	sieve-riesel-base552-400K-1M.txt
553	50 k's remaining at n=100K. See k's at Riesel Base 553 remain.	(all k's) (available)
554	none	proven
555	236 k's remaining at n=100K. See k's at Riesel Base 555 remain.	(all k's) (available)
556	268631 k's remaining at n=2.5K. See k's at Riesel Base 556 remain.	(all k's) (available)
557	none	proven
558	121 (300K) 170 (300K) 173 (300K) 181 (300K) 194 (300K) 246 (300K) 253 (300K)	(all k's) (available)	sieve-riesel-base558-300K-500K.txt
559	none	proven
560	none	proven
561	5018 k's remaining at n=10K. See k's at Riesel Base 561 remain.	(all k's) (available)
562	none	proven
563	28 (600K)	28 (available)	sieve-riesel-base563-600K-1M.txt
564	39 (500K) 86 (500K)	(all k's) (available)	sieve-riesel-base564-500K-1M.txt
565	32 k's remaining at n=200K. See k's at Riesel Base 565 remain.	(all k's) (available)
566	none	proven
567	214 (300K) 296 (300K) 922 (300K) 1366 (300K) 1492 (300K) 1584 (300K)	(all k's) (available)	sieve-riesel-base567-300K-500K.txt
568	90 k's remaining at n=100K. See k's at Riesel Base 568 remain.	(all k's) (available)
569	none	proven
570	250358 k's remaining at n=2.5K. See k's at Riesel Base 570 remain.	(all k's) (available)
571	none	proven
572	43 (300K) 76 (300K) 88 (300K) 97 (300K) 119 (300K) 134 (300K) 154 (300K) 160 (300K)	(all k's) (available)	sieve-riesel-base572-300K-500K.txt
573	6 (600K)	6 (available)	sieve-riesel-base573-600K-1M.txt
574	none	proven
575	977 k's remaining at n>=25K. See k's and test limits at Riesel Base 575 remain.	(all k's) (available)
576	67 k's remaining at n>=100K. See k's and test limits at Riesel Base 576 remain.	3754 SRBase 500K 2025/10/10 4239 SRBase 500K 2025/10/10 5784 SRBase 500K 2025/10/10 10219 SRBase 500K 2025/10/10 10399 SRBase 500K 2025/10/10 12429 SRBase 500K 2025/10/10 13269 SRBase 500K 2025/10/10 15614 SRBase 500K 2025/10/10 17019 SRBase 500K 2025/10/10 (other k's) (available)	k = 3754, 4239, 5784, 10219, 10399, 12429, 13269, 15614, and 17019 testing are the same as base 24 for the same k-values.
577	none	proven
578	22 (300K) 43 (300K) 52 (300K) 74 (300K) 101 (300K) 103 (300K) 106 (300K) 110 (300K) 118 (300K) 127 (300K)	(all k's) (available)	sieve-riesel-base578-300K-500K.txt
579	none	proven
580	none	proven
581	2 (600K)	2 (available)	sieve-riesel-base581-600K-1M.txt
582	52 (600K)	52 (available)	sieve-riesel-base582-600K-1M.txt
583	242 (300K) 522 (300K) 536 (300K) 984 (300K) 1128 (300K) 1518 (300K) 2304 (300K) 2664 (300K) 2702 (300K) 2766 (300K)	(all k's) (available)	sieve-riesel-base583-300K-500K.txt
584	none	proven
585	138122 k's remaining at n=2.5K. See k's at Riesel Base 585 remain.	(all k's) (available)	Partially sieved file is available for n=2.5K-10K.
586	52466 k's remaining at n=2.5K. See k's at Riesel Base 586 remain.	(all k's) (available)	sieve-riesel-base586-2.5K-10K.zip
587	none	proven
588	3 (500K) 16 (500K)	(all k's) (available)	sieve-riesel-base588-500K-1M.txt
589	74 (300K) 216 (300K) 648 (300K) 926 (300K)	(all k's) (available)	sieve-riesel-base589-300K-500K.txt
590	98 (500K) 109 (500K) 152 (500K)	(all k's) (available)	sieve-riesel-base590-500K-1M.txt
591	55 k's remaining at n=100K. See k's at Riesel Base 591 remain.	(all k's) (available)
592	158 k's remaining at n=100K. See k's at Riesel Base 592 remain.	(all k's) (available)
593	none	proven
594	none	proven
595	91 k's remaining at n=100K. See k's at Riesel Base 595 remain.	(all k's) (available)
596	none	proven
597	none	proven
598	231 k's remaining at n=100K. See k's at Riesel Base 598 remain.	(all k's) (available)
599	none	proven
600	911 k's remaining at n=25K. See k's at Riesel Base 600 remain.	(all k's) (available)
601	300 (300K) 482 (300K) 744 (300K)	(all k's) (available)	sieve-riesel-base601-300K-1M.txt
602	58 (500K) 66 (500K)	(all k's) (available)	sieve-riesel-base602-500K-1M.txt
603	41 k's remaining at n=100K. See k's at Riesel Base 603 remain.	(all k's) (available)
604	none	proven
605	none	proven
606	247 k's remaining at n=100K. See k's at Riesel Base 606 remain.	(all k's) (available)
607	513 k's remaining at n=25K. See k's at Riesel Base 607 remain.	(all k's) (available)
608	none	proven
609	none	proven
610	234 (600K)	234 (available)	sieve-riesel-base610-600K-1M.txt
611	10 (600K)	10 (available)	sieve-riesel-base611-600K-1M.txt
612	969 k's remaining at n=25K. See k's at Riesel Base 612 remain.	(all k's) (available)
613	129 k's remaining at n=100K. See k's at Riesel Base 613 remain.	(all k's) (available)
614	none	proven
615	12 (600K)	12 (available)	sieve-riesel-base615-600K-1M.txt
616	26 k's remaining at n=100K. See k's at Riesel Base 616 remain.	(all k's) (available)
617	none	proven
618	43 k's remaining at n=100K. See k's at Riesel Base 618 remain.	(all k's) (available)
619	6 (600K)	6 (available)	sieve-riesel-base619-600K-1M.txt
620	none	proven
621	516 k's remaining at n=25K. See k's at Riesel Base 621 remain.	(all k's) (available)
622	none	proven
623	none	proven
624	11967 k's remaining at n=10K. See k's at Riesel Base 624 remain.	(all k's) (available)
625	58 k's remaining at n>=130K. See k's and test limits at Riesel Base 625 remain.	366 SRBase 500K 2025/10/14 9150 SRBase 500K 2025/10/14 23906 Sierpinski/Riesel base 5 project 6.25M 2025/10/10 24530 Sierpinski/Riesel base 5 project 6.25M 2025/10/10 (other k's) (available)	k = 23906 and 24530 are worked on by PrimeGrid's Sierpinski/Riesel Base 5 project.  k's, test limits, and primes are converted from base 5. k = 366 testing is the same as base 25 k = 366 even-n. k = 9150 testing is the same as base 25 k = 366 odd-n. k = 23906 testing is the same as bases 5 and 25 for the same k-value. k = 24530 testing is the same as base 5 k = 4906 and base 25 for the same k-value. sieve-riesel-base625-130K-500K.zip
626	none	proven
627	1222 k's remaining at n=25K. See k's at Riesel Base 627 remain.	(all k's) (available)
628	none	proven
629	none	proven
630	207032 k's remaining at n=2.5K. See k's at Riesel Base 630 remain.	(all k's) (available)
631	560184 k's remaining at n=2.5K. See k's at Riesel Base 631 remain.	(all k's) (available)
632	none	proven
633	64 (300K) 172 (300K) 326 (300K) 708 (300K) 952 (300K)	(all k's) (available)	sieve-riesel-base633-300K-500K.txt
634	29 (1M)	29 (available)
635	none	proven
636	9 (1M)	9 (available)	Partially sieved file: sieve-riesel-base636-1M-5M.txt
637	none	proven
638	7 (300K) 11 (300K) 49 (300K) 59 (300K)	(all k's) (available)	sieve-riesel-base638-300K-500K.txt
639	176 (300K) 464 (300K) 566 (300K) 604 (300K) 626 (300K) 816 (300K) 1124 (300K) 1194 (300K) 1576 (300K) 1626 (300K) 1646 (300K) 1954 (300K) 1964 (300K)	(all k's) (available)	sieve-riesel-base639-300K-500K.txt
640	36 k's remaining at n=100K. See k's at Riesel Base 640 remain.	(all k's) (available)
641	44 (300K) 88 (300K) 108 (300K) 134 (300K) 158 (300K) 170 (300K) 218 (300K) 268 (300K)	(all k's) (available)	sieve-riesel-base641-300K-500K.txt
642	57 k's remaining at n=100K. See k's at Riesel Base 642 remain.	(all k's) (available)
643	114 (500K) 206 (500K)	(all k's) (available)	sieve-riesel-base643-500K-1M.txt
644	none	proven
645	none	proven
646	85 k's remaining at n=100K. See k's at Riesel Base 646 remain.	(all k's) (available)
647	4 (300K) 50 (300K) 74 (300K) 82 (300K) 116 (300K) 128 (300K) 196 (300K) 212 (300K) 228 (300K) 254 (300K) 298 (300K) 328 (300K) 344 (300K) 394 (300K) 412 (300K) 452 (300K) 472 (300K) 478 (300K) 538 (300K) 542 (300K) 622 (300K) 634 (300K) 658 (300K)	(all k's) (available)	sieve-riesel-base647-300K-500K.txt
648	21 (500K) 186 (500K) 188 (500K)	(all k's) (available)
649	none	proven
650	none	proven
651	6754 k's remaining at n=10K. See k's at Riesel Base 651 remain.	(all k's) (available)
652	3401 k's remaining at n=25K. See k's at Riesel Base 652 remain.	(all k's) (available)
653	4 (300K) 32 (300K) 58 (300K) 64 (300K) 82 (300K) 88 (300K)	(all k's) (available)	sieve-riesel-base653-300K-500K.txt
654	30 (300K) 53 (300K) 56 (300K) 79 (300K) 100 (300K) 204 (300K) 219 (300K) 236 (300K) 239 (300K)	(all k's) (available)	sieve-riesel-base654-300K-500K.txt
655	128 (300K) 204 (300K) 302 (300K) 1926 (300K) 1988 (300K) 2010 (300K) 2418 (300K) 2480 (300K) 2796 (300K) 2912 (300K)	(all k's) (available)	sieve-riesel-base655-300K-500K.txt
656	none	proven
657	none	proven
658	98 k's remaining at n=100K. See k's at Riesel Base 658 remain.	(all k's) (available)
659	none	proven
660	2691 k's remaining at n=25K. See k's at Riesel Base 660 remain.	(all k's) (available)
662	7 (600K)	7 (available)	sieve-riesel-base662-600K-1M.txt
663	408 (300K) 414 (300K) 452 (300K) 900 (300K)	(all k's) (available)	sieve-riesel-base663-300K-500K.txt
664	none	proven
665	8 (600K)	8 (available)	sieve-riesel-base665-600K-1M.txt
666	none	proven
667	288 (500K) 344 (500K)	(all k's) (available)	sieve-riesel-base667-500K-1M.txt
668	11 (600K)	11 (available)	sieve-riesel-base668-600K-1M.txt
669	none	proven
670	none	proven
671	none	proven
672	261 k's remaining at n=100K. See k's at Riesel Base 672 remain.	(all k's) (available)
673	8104 k's remaining at n=10K. See k's at Riesel Base 673 remain.	(all k's) (available)
674	none	proven
675	185 k's remaining at n=100K. See k's at Riesel Base 675 remain.	(all k's) (available)
676	none	proven
677	60 (300K) 74 (300K) 86 (300K) 94 (300K)	(all k's) (available)	sieve-riesel-base677-300K-500K.txt
678	41 (300K) 55 (300K) 57 (300K) 118 (300K) 139 (300K)	(all k's) (available)	sieve-riesel-base678-300K-500K.txt
679	174 (600K)	174 (available)	sieve-riesel-base679-600K-1M.txt
680	none	proven
681	none	proven
682	209 k's remaining at n=100K. See k's at Riesel Base 682 remain.	(all k's) (available)
683	none	proven
684	none	proven
685	2699 k's remaining at n=25K. See k's at Riesel Base 685 remain.	(all k's) (available)
686	32 (500K) 92 (500K)	(all k's) (available)	sieve-riesel-base686-500K-1M.txt
687	418 (300K) 816 (300K) 924 (300K) 1418 (300K) 1524 (300K) 1644 (300K) 2256 (300K) 3598 (300K) 4000 (300K) 4084 (300K) 4170 (300K) 4368 (300K)	(all k's) (available)	sieve-riesel-base687-300K-500K.txt
688	9 (600K)	9 (available)	sieve-riesel-base688-600K-1M.txt
689	none	proven
690	739852 k's remaining at n=2.5K. See k's at Riesel Base 690 remain.	(all k's) (available)
691	15210 k's remaining at n=10K. See k's at Riesel Base 691 remain.	(all k's) (available)
692	none	proven
693	47 k's remaining at n=100K. See k's at Riesel Base 693 remain.	(all k's) (available)
694	96 (500K) 264 (500K)	(all k's) (available)	sieve-riesel-base694-500K-1M.txt
695	26 (600K)	26 (available)	sieve-riesel-base695-600K-1M.txt
696	152 (500K) 225 (500K)	(all k's) (available)	sieve-riesel-base696-500K-1M.txt
697	8 (300K) 554 (300K) 746 (300K) 1178 (300K) 1604 (300K) 1682 (300K) 1782 (300K) 2592 (300K) 2616 (300K) 2634 (300K) 2744 (300K) 3840 (300K) 4106 (300K) 4188 (300K) 4298 (300K) 4386 (300K) 4524 (300K)	(all k's) (available)	sieve-riesel-base697-300K-500K.txt
698	13 (300K) 29 (300K) 55 (300K) 62 (300K) 97 (300K) 119 (300K) 133 (300K) 146 (300K) 158 (300K) 164 (300K) 170 (300K) 178 (300K) 187 (300K) 191 (300K) 202 (300K) 209 (300K) 221 (300K)	(all k's) (available)	sieve-riesel-base698-300K-1M.zip
699	none	proven
700	3249211 k's remaining at n=2.5K. See k's at Riesel Base 700 remain.	(all k's) (available)
701	none	proven
702	32 (600K)	32 (available)	sieve-riesel-base702-600K-1M.txt
703	384 (300K) 494 (300K) 518 (300K) 714 (300K) 758 (300K) 1044 (300K) 1902 (300K) 1992 (300K) 2144 (300K) 2652 (300K) 2762 (300K) 2892 (300K) 3422 (300K) 3488 (300K)	(all k's) (available)	sieve-riesel-base703-300K-500K.txt
704	none	proven
705	8804 k's remaining at n=10K. See k's at Riesel Base 705 remain.	(all k's) (available)
706	none	proven
707	none	proven
708	236 k's remaining at n=100K. See k's at Riesel Base 708 remain.	(all k's) (available)
709	174 (300K) 234 (300K) 354 (300K) 746 (300K) 774 (300K) 776 (300K)	(all k's) (available)	sieve-riesel-base709-300K-500K.txt
710	8 (500K) 14 (300K) 47 (300K) 49 (300K)	(all k's) (available)	All k's except k = 8: sieve-riesel-base710-300K-500K.txt
711	90 (300K) 120 (300K) 588 (300K) 1010 (300K) 1082 (300K) 1262 (300K) 1418 (300K) 1654 (300K) 1920 (300K) 1964 (300K) 2178 (300K) 2648 (300K) 2830 (300K) 3084 (300K) 4104 (300K)	(all k's) (available)	sieve-riesel-base711-300K-500K.txt
712	47 (1M)	47 (available)
713	none	proven
714	none	proven
715	6332 k's remaining at n=10K. See k's at Riesel Base 715 remain.	(all k's) (available)
716	38 (300K) 95 (300K) 190 (300K) 200 (300K)	(all k's) (available)	sieve-riesel-base716-300K-500K.txt
717	203 k's remaining at n=100K. See k's at Riesel Base 717 remain.	(all k's) (available)
718	9 (300K) 302 (300K) 324 (300K) 443 (300K) 477 (300K) 573 (300K) 693 (300K) 732 (300K) 809 (300K) 867 (300K) 872 (300K) 893 (300K) 1016 (300K) 1017 (300K)	(all k's) (available)	sieve-riesel-base718-300K-500K.txt
719	none	proven
720	20 (300K) 27 (300K) 83 (300K)	(all k's) (available)	sieve-riesel-base720-300K-1M.txt
721	12004 k's remaining at n=10K. See k's at Riesel Base 721 remain.	(all k's) (available)
722	41 (300K) 56 (300K) 73 (300K) 86 (300K) 97 (300K) 158 (300K) 194 (300K) 206 (300K)	(all k's) (available)	sieve-riesel-base722-300K-500K.txt
723	85 k's remaining at n=100K. See k's at Riesel Base 723 remain.	(all k's) (available)
724	none	proven
725	none	proven
726	140272 k's remaining at n=2.5K. See k's at Riesel Base 726 remain.	(all k's) (available)
727	8 (600K)	8 (available)	sieve-riesel-base727-600K-1M.txt
728	18261 k's remaining at n=10K. See k's at Riesel Base 728 remain.	(all k's) (available)
729	none	proven
730	170 (600K)	170 (available)	sieve-riesel-base730-600K-1M.txt
731	34 (600K)	34 (available)	sieve-riesel-base731-600K-1M.txt
732	5022 k's remaining at n=10K. See k's at Riesel Base 732 remain.	(all k's) (available)
733	366 (300K) 372 (300K) 482 (300K) 824 (300K) 1046 (300K) 1388 (300K) 1454 (300K) 1676 (300K) 1704 (300K) 1976 (300K) 2058 (300K) 2072 (300K) 2088 (300K) 2150 (300K) 2306 (300K) 2462 (300K) 3678 (300K) 3818 (300K) 3860 (300K) 3978 (300K)	(all k's) (available)	sieve-riesel-base733-300K-500K.zip
734	none	proven
735	38151 k's remaining at n=2.5K. See k's at Riesel Base 735 remain.	(all k's) (available)	sieve-riesel-base735-2.5K-10K.zip
736	560 (600K)	560 (available)	sieve-riesel-base736-600K-1M.txt
737	14 (717K) 22 (717K)	(all k's) (available)	sieve-riesel-base737-717K-1M.txt
738	123 k's remaining at n=100K. See k's at Riesel Base 738 remain.	(all k's) (available)
739	none	proven
740	none	proven
741	none	proven
742	43 k's remaining at n=100K. See k's at Riesel Base 742 remain.	(all k's) (available)
743	14 (600K)	14 (available)	sieve-riesel-base743-600K-1M.txt
744	53 (300K) 116 (300K) 120 (300K) 172 (300K) 191 (300K) 221 (300K) 269 (300K)	(all k's) (available)	sieve-riesel-base744-300K-500K.txt
745	1416 (400K) 3662 (400K) 6894 (400K) 9162 (400K) 9650 (400K) 11964 (400K) 15864 (400K) 18300 (400K) 19770 (400K) 20136 (400K) 22034 (400K) 22500 (400K) 25736 (400K) 29586 (400K)	(all k's) (available)
746	14 (1M)	14 (available)
747	18 (300K) 32 (300K) 76 (300K) 84 (300K)	(all k's) (available)	sieve-riesel-base747-300K-500K.txt
748	174 (300K) 251 (300K) 314 (300K) 384 (300K) 512 (300K) 636 (300K) 809 (300K)	(all k's) (available)	sieve-riesel-base748-300K-500K.txt
749	none	proven
750	77 k's remaining at n=100K. See k's at Riesel Base 750 remain.	(all k's) (available)
751	233 k's remaining at n=100K. See k's at Riesel Base 751 remain.	(all k's) (available)
752	8 (300K) 22 (300K) 58 (300K) 64 (300K) 95 (300K) 97 (300K)	(all k's) (available)	sieve-riesel-base752-300K-500K.txt
753	14 (300K) 30 (300K) 88 (300K) 92 (300K)	(all k's) (available)	sieve-riesel-base753-300K-500K.txt
754	134 (300K) 171 (300K) 206 (300K) 254 (300K) 321 (300K) 341 (300K) 344 (300K) 389 (300K) 411 (300K) 444 (300K) 461 (300K) 510 (300K) 564 (300K) 966 (300K) 999 (300K)	(all k's) (available)	sieve-riesel-base754-300K-500K.txt
755	none	proven
756	604445 k's remaining at n=2.5K. See k's at Riesel Base 756 remain.	(all k's) (available)
757	62 k's remaining at n=100K. See k's at Riesel Base 757 remain.	(all k's) (available)
758	none	proven
759	none	proven
760	199860 k's remaining at n=2.5K. See k's at Riesel Base 760 remain.	(all k's) (available)
761	32 (600K)	32 (available)	sieve-riesel-base761-600K-1M.txt
762	none	proven
763	6594 k's remaining at n=10K. See k's at Riesel Base 763 remain.	(all k's) (available)
764	none	proven
765	13674 k's remaining at n=10K. See k's at Riesel Base 765 remain.	(all k's) (available)
766	158 (300K) 339 (300K) 365 (300K) 573 (300K) 707 (300K)	(all k's) (available)	sieve-riesel-base766-300K-500K.txt
767	44 (300K) 56 (300K) 58 (300K) 104 (300K) 106 (300K) 144 (300K)	(all k's) (available)	sieve-riesel-base767-300K-500K.txt
768	855 k's remaining at n=25K. See k's at Riesel Base 768 remain.	(all k's) (available)
769	none	proven
770	37 (300K) 130 (300K) 178 (300K) 218 (300K)	(all k's) (available)	sieve-riesel-base770-300K-500K.txt
771	64 k's remaining at n=100K. See k's at Riesel Base 771 remain.	(all k's) (available)
772	587 k's remaining at n=25K. See k's at Riesel Base 772 remain.	(all k's) (available)
773	38 (600K)	38 (available)	sieve-riesel-base773-600K-1M.txt
774	25 (500K) 30 (500K)	(all k's) (available)	sieve-riesel-base774-500K-1M.txt
775	537 k's remaining at n=25K. See k's at Riesel Base 775 remain.	(all k's) (available)
776	none	proven
777	384940 k's remaining at n=2.5K. See k's at Riesel Base 777 remain.	(all k's) (available)
778	56 (300K) 404 (300K) 590 (300K) 657 (300K)	(all k's) (available)	sieve-riesel-base778-300K-500K.txt
779	none	proven
780	109 (500K) 122 (500K)	(all k's) (available)	sieve-riesel-base780-500K-1M.txt
781	none	proven
782	14 (600K)	14 (available)	sieve-riesel-base782-600K-1M.txt
783	104 (600K)	104 (available)	sieve-riesel-base783-600K-1M.txt
784	116 (600K)	116 (available)	sieve-riesel-base784-600K-1M.txt
785	none	proven
786	303 k's remaining at n=100K. See k's at Riesel Base 786 remain.	(all k's) (available)
787	159 k's remaining at n=100K. See k's at Riesel Base 787 remain.	(all k's) (available)
788	none	proven
789	120 (500K) 126 (500K)	(all k's) (available)	sieve-riesel-base789-500K-1M.txt
790	48 (600K)	48 (available)	sieve-riesel-base790-600K-1M.txt
791	none	proven
792	245 (300K) 389 (300K) 417 (300K) 742 (300K) 818 (300K) 1026 (300K)	(all k's) (available)	sieve-riesel-base792-300K-500K.txt
793	10619 k's remaining at n=10K. See k's at Riesel Base 793 remain.	(all k's) (available)
794	none	proven
795	256 (300K) 338 (300K) 576 (300K) 1148 (300K) 1208 (300K) 1296 (300K) 1322 (300K) 1688 (300K) 1696 (300K) 1764 (300K) 1942 (300K) 1976 (300K) 3144 (300K) 3270 (300K) 3824 (300K) 4178 (300K) 4314 (300K) 4610 (300K) 4744 (300K) 4756 (300K)	(all k's) (available)	sieve-riesel-base795-300K-500K.zip
796	431365 k's remaining at n=2.5K. See k's at Riesel Base 796 remain.	(all k's) (available)
797	none	proven
798	188 (300K) 283 (300K) 307 (300K)	(all k's) (available)	sieve-riesel-base798-300K-500K.txt
800	8 (1M)	8 (available)	Partially sieved file: sieve-riesel-base800-1M-3M.txt
801	494394 k's remaining at n=2.5K. See k's at Riesel Base 801 remain.	(all k's) (available)
802	81 (300K) 128 (300K) 144 (300K) 156 (300K) 218 (300K) 276 (300K) 309 (300K) 329 (300K) 351 (300K) 366 (300K)	(all k's) (available)	sieve-riesel-base802-300K-500K.txt
803	14 (500K) 52 (500K)	(all k's) (available)	sieve-riesel-base803-500K-1M.txt
804	none	proven
805	none	proven
806	125 (500K) 214 (500K)	(all k's) (available)	sieve-riesel-base806-500K-1M.txt
807	198 k's remaining at n=100K. See k's at Riesel Base 807 remain.	(all k's) (available)
808	947 k's remaining at n=25K. See k's at Riesel Base 808 remain.	(all k's) (available)
809	none	proven
810	223 k's remaining at n=100K. See k's at Riesel Base 810 remain.	(all k's) (available)
811	none	proven
812	4 (600K)	4 (available)	sieve-riesel-base812-600K-1M.txt
813	122 (600K)	122 (available)	sieve-riesel-base813-600K-1M.txt
814	44 (500K) 128 (500K)	(all k's) (available)	sieve-riesel-base814-500K-1M.txt
815	none	proven
816	18 (300K) 113 (300K) 204 (300K)	(all k's) (available)	sieve-riesel-base816-300K-1M.txt
817	74092 k's remaining at n=2.5K. See k's at Riesel Base 817 remain.	(all k's) (available)	Partially sieved file: sieve-riesel-base817-2.5K-10K.zip
818	none	proven
819	none	proven
820	527 k's remaining at n=25K. See k's at Riesel Base 820 remain.	(all k's) (available)
821	58 (300K) 144 (300K) 158 (300K) 188 (300K) 242 (300K) 662 (300K) 680 (300K) 688 (300K) 742 (300K) 814 (300K) 872 (300K) 928 (300K)	(all k's) (available)	sieve-riesel-base821-300K-500K.txt
822	5616 k's remaining at n=10K. See k's at Riesel Base 822 remain.	(all k's) (available)
823	68 k's remaining at n=100K. See k's at Riesel Base 823 remain.	(all k's) (available)
824	none	proven
825	none	proven
827	none	proven
828	64 (600K)	64 (available)	sieve-riesel-base828-600K-1M.txt
829	none	proven
830	9 (300K) 95 (300K) 107 (300K) 121 (300K) 144 (300K)	(all k's) (available)	sieve-riesel-base830-300K-500K.txt
831	16147 k's remaining at n=10K. See k's at Riesel Base 831 remain.	(all k's) (available)
832	none	proven
833	104 (600K)	104 (available)	sieve-riesel-base833-600K-1M.txt
834	none	proven
835	none	proven
836	8 (600K)	8 (available)	sieve-riesel-base836-600K-1M.txt
837	554 (300K) 578 (300K) 676 (300K) 876 (300K) 1138 (300K) 1296 (300K)	(all k's) (available)	sieve-riesel-base837-300K-500K.txt
838	2338 k's remaining at n=25K. See k's at Riesel Base 838 remain.	(all k's) (available)
839	none	proven
840	760 k's remaining at n=25K. See k's at Riesel Base 840 remain.	(all k's) (available)
841	542 (300K) 1280 (300K) 5474 (300K) 7634 (300K) 10154 (300K) 12494 (300K) 12912 (300K) 13412 (300K) 13898 (300K) 15942 (300K) 16712 (300K) 21422 (300K)	(all k's) (available)	sieve-riesel-base841-300K-500K.zip
842	13 (300K) 25 (300K) 36 (300K) 43 (300K) 82 (300K) 86 (300K) 89 (300K) 119 (300K) 127 (300K) 137 (300K) 172 (300K) 202 (300K) 211 (300K) 226 (300K) 242 (300K) 244 (300K) 249 (300K) 254 (300K) 269 (300K)	(all k's) (available)	sieve-riesel-base842-300K-500K.txt
843	67 k's remaining at n=100K. See k's at Riesel Base 843 remain.	(all k's) (available)
844	none	proven
845	none	proven
846	none	proven
847	7298 k's remaining at n=10K. See k's at Riesel Base 847 remain.	(all k's) (available)
848	74 (400K) 172 (400K) 178 (400K) 224 (400K) 266 (400K)	(all k's) (available)	sieve-riesel-base848-400K-1M.txt
849	none	proven
850	221 (600K)	221 (available)	sieve-riesel-base850-600K-1M.txt
851	none	proven
852	81 k's remaining at n=100K. See k's at Riesel Base 852 remain.	(all k's) (available)
853	none	proven
854	none	proven
856	527 k's remaining at n=25K. See k's at Riesel Base 856 remain.	(all k's) (available)
857	none	proven
858	249 k's remaining at n=100K. See k's at Riesel Base 858 remain.	(all k's) (available)
859	none	proven
860	none	proven
861	703 k's remaining at n=25K. See k's at Riesel Base 861 remain.	(all k's) (available)
862	158 k's remaining at n=100K. See k's at Riesel Base 862 remain.	(all k's) (available)
863	none	proven
864	114 (600K)	114 (available)	sieve-riesel-base864-600K-1M.txt
865	236643 k's remaining at n=2.5K. See k's at Riesel Base 865 remain.	(all k's) (available)
866	none	proven
867	8 (600K)	8 (available)	sieve-riesel-base867-600K-1M.txt
868	none	proven
869	none	proven
870	none	proven
871	2328 (300K) 2430 (300K) 5262 (300K) 5318 (300K) 5648 (300K) 5664 (300K) 6408 (300K) 7302 (300K) 7772 (300K) 8958 (300K) 10572 (300K) 12032 (300K) 12534 (300K)	(all k's) (available)	sieve-riesel-base871-300K-500K.zip
872	11 (400K) 16 (400K) 43 (400K) 86 (400K)	(all k's) (available)	sieve-riesel-base872-400K-1M.txt
873	94 (500K) 114 (500K)	(all k's) (available)	sieve-riesel-base873-500K-1M.txt
874	none	proven
875	none	proven
876	612567 k's remaining at n=2.5K. See k's at Riesel Base 876 remain.	(all k's) (available)
877	307 k's remaining at n=100K. See k's at Riesel Base 877 remain.	(all k's) (available)
878	36 k's remaining at n=100K. See k's at Riesel Base 878 remain.	(all k's) (available)
879	24 (600K)	24 (available)	sieve-riesel-base879-600K-1M.txt
880	180 k's remaining at n=100K. See k's at Riesel Base 880 remain.	(all k's) (available)
881	none	proven
882	253 k's remaining at n=100K. See k's at Riesel Base 882 remain.	(all k's) (available)
883	194 (600K)	194 (available)	sieve-riesel-base883-600K-1.5M.txt
884	none	proven
885	3952 k's remaining at n=10K. See k's at Riesel Base 885 remain.	(all k's) pokemonlover123 25K 2025/09/15	sieve-riesel-base885-10K-25K.zip
886	16895 k's remaining at n=10K. See k's at Riesel Base 886 remain.	(all k's) (available)
887	22 (500K) 26 (500K)	(all k's) (available)	sieve-riesel-base887-500K-1M.txt
888	64 (600K)	64 (available)	sieve-riesel-base888-600K-1M.txt
889	14 (300K) 86 (300K) 194 (300K) 216 (300K)	(all k's) (available)	sieve-riesel-base889-300K-500K.txt
890	none	proven
891	763087 k's remaining at n=2.5K. See k's at Riesel Base 891 remain.	(all k's) (available)
892	48 (400K) 96 (400K) 170 (400K)	(all k's) (available)	sieve-riesel-base892-400K-1M.txt
893	22 (300K) 44 (300K) 94 (300K)	(all k's) (available)	sieve-riesel-base893-300K-500K.txt
894	79 (300K) 184 (300K) 216 (300K) 220 (300K) 225 (300K)	(all k's) (available)	sieve-riesel-base894-300K-500K.txt
895	1042 k's remaining at n=25K. See k's at Riesel Base 895 remain.	(all k's) (available)
896	none	proven
897	30 k's remaining at n=250K. See k's at Riesel Base 897 remain.	(all k's) (available)
898	none	proven
899	none	proven
900	none	proven
901	none	proven
902	none	proven
903	39 k's remaining at n=100K. See k's at Riesel Base 903 remain.	(all k's) (available)
904	129 (300K) 159 (300K) 311 (300K) 374 (300K) 444 (300K) 851 (300K) 894 (300K) 900 (300K) 914 (300K) 1031 (300K) 1046 (300K)	(all k's) (available)	sieve-riesel-base904-300K-500K.txt
905	none	proven
906	7198806 k's remaining at n=1K. See k's at Riesel Base 906 remain.	(all k's) (available)
907	89943 k's remaining at n=2.5K. See k's at Riesel Base 907 remain.	(all k's) (available)	Partially sieved file: sieve-riesel-base907-2.5K-10K.zip
908	none	proven
909	none	proven
911	none	proven
912	10 (300K) 12 (300K) 58 (300K) 76 (300K) 78 (300K) 167 (300K) 218 (300K) 263 (300K) 296 (300K)	(all k's) (available)	sieve-riesel-base912-300K-500K.txt
913	9928 k's remaining at n=10K. See k's at Riesel Base 913 remain.	(all k's) (available)
914	none	proven
915	57194 k's remaining at n=2.5K. See k's at Riesel Base 915 remain.	(all k's) (available)	sieve-riesel-base915-2.5K-10K.zip
916	none	proven
917	none	proven
918	75 k's remaining at n=100K. See k's at Riesel Base 918 remain.	(all k's) (available)
919	none	proven
920	53 (500K) 61 (500K) 76 (500K)	(all k's) (available)	sieve-riesel-base920-500K-1M.txt
922	none	proven
923	none	proven
924	none	proven
925	104068 k's remaining at n=2.5K. See k's at Riesel Base 925 remain.	(all k's) (available)
926	9 (300K) 22 (300K) 53 (300K) 65 (300K) 85 (300K) 102 (300K)	(all k's) (available)	sieve-riesel-base926-300K-500K.txt
927	48 k's remaining at n=100K. See k's at Riesel Base 927 remain.	(all k's) (available)
928	629 k's remaining at n=25K. See k's at Riesel Base 928 remain.	(all k's) (available)
929	none	proven
930	none	proven
931	1854 (500K) 3812 (500K)	(all k's) (available)	sieve-riesel-base931-500K-1M.txt
932	142 (300K) 146 (300K) 208 (300K) 221 (300K) 238 (300K) 263 (300K) 277 (300K) 283 (300K) 307 (300K)	(all k's) (available)	sieve-riesel-base932-300K-500K.txt
933	8116 k's remaining at n=10K. See k's at Riesel Base 933 remain.	(all k's) (available)
934	none	proven
935	none	proven
936	90 k's remaining at n=100K. See k's at Riesel Base 936 remain.	(all k's) (available)
937	384 (300K) 428 (300K) 636 (300K) 650 (300K) 848 (300K) 902 (300K) 918 (300K) 932 (300K) 1004 (300K)	(all k's) (available)	sieve-riesel-base937-300K-500K.txt
938	14 (300K) 20 (300K) 38 (300K) 47 (300K) 64 (300K) 82 (300K) 97 (300K) 104 (300K) 125 (300K) 155 (300K) 157 (300K) 163 (300K) 178 (300K) 179 (300K) 206 (300K) 236 (300K) 239 (300K) 254 (300K) 269 (300K) 277 (300K)	(all k's) (available)	sieve-riesel-base938-300K-500K.txt
939	none	proven
940	242 k's remaining at n=100K. See k's at Riesel Base 940 remain.	(all k's) (available)
941	92 (500K) 112 (500K)	(all k's) (available)	sieve-riesel-base941-500K-1M.txt
942	48 (400K) 70 (400K) 114 (400K) 163 (400K)	(all k's) (available)	sieve-riesel-base942-400K-1M.txt
943	90 k's remaining at n=100K. See k's at Riesel Base 943 remain.	(all k's) (available)
944	none	proven
945	42 (500K) 302 (500K)	(all k's) (available)	sieve-riesel-base945-500K-1M.txt
947	none	proven
948	45 (300K) 53 (300K) 69 (300K) 157 (300K)	(all k's) (available)	sieve-riesel-base948-300K-500K.txt
949	none	proven
950	11 (300K) 28 (300K) 110 (300K) 199 (300K) 227 (300K) 305 (300K)	(all k's) (available)	sieve-riesel-base950-300K-500K.txt
951	none	proven
952	34 k's remaining at n=100K. See k's at Riesel Base 952 remain.	(all k's) (available)
953	74 (300K) 104 (300K) 160 (300K) 262 (300K) 264 (300K)	(all k's) (available)	sieve-riesel-base953-300K-500K.txt
954	6 (300K) 36 (300K) 81 (300K) 84 (300K) 151 (300K) 158 (300K) 159 (300K) 161 (300K) 176 (300K) 204 (300K) 321 (300K) 326 (300K) 356 (300K)	(all k's) (available)	sieve-riesel-base954-300K-500K.txt
955	6724 k's remaining at n=10K. See k's at Riesel Base 955 remain.	(all k's) (available)
956	none	proven
957	8 (500K) 404 (300K) 1026 (300K) 1046 (300K) 1198 (300K) 1326 (300K) 1432 (300K)	(all k's) (available)	All k's except k = 8: sieve-riesel-base957-300K-500K.txt
958	8 (815K)	8 (available)	sieve-riesel-base958-815K-1M.txt
959	none	proven
961	none	proven
962	11 (400K) 13 (400K) 73 (400K) 74 (400K) 89 (400K) 104 (400K)	(all k's) (available)	sieve-riesel-base962-400K-1M.txt
963	495490 k's remaining at n=2.5K. See k's at Riesel Base 963 remain.	(all k's) (available)
964	none	proven
965	none	proven
966	Testing just started.	<=400M DeleteNull 1K 2025/10/14 >400M Stef42 1K 2025/10/18
967	242 (1M)	242 (available)
968	4 (600K)	4 (available)	sieve-riesel-base968-600K-1.5M.txt
969	none	proven
970	2315 k's remaining at n=25K. See k's at Riesel Base 970 remain.	(all k's) (available)
971	82 k's remaining at n=100K. See k's at Riesel Base 971 remain.	(all k's) (available)
972	3 (300K) 8 (300K) 29 (300K) 49 (300K) 69 (300K) 75 (300K) 146 (300K) 174 (300K)	(all k's) (available)	sieve-riesel-base972-300K-500K.txt
973	83 k's remaining at n=100K. See k's at Riesel Base 973 remain.	(all k's) (available)
974	none	proven
975	1583 k's remaining at n=25K. See k's at Riesel Base 975 remain.	(all k's) (available)
976	545 k's remaining at n=25K. See k's at Riesel Base 976 remain.	(all k's) (available)
977	88 (300K) 116 (300K) 136 (300K) 140 (300K) 148 (300K)	(all k's) (available)	sieve-riesel-base977-300K-500K.txt
978	12 (500K) 94 (500K)	(all k's) (available)	sieve-riesel-base978-500K-1M.txt
979	none	proven
980	10 (600K)	10 (available)	sieve-riesel-base980-600K-1M.txt
982	71 k's remaining at n=100K. See k's at Riesel Base 982 remain.	(all k's) (available)
983	none	proven
984	99 (300K) 119 (300K) 191 (300K)	(all k's) (available)	sieve-riesel-base984-300K-500K.txt
985	none	proven
986	none	proven
987	58 (300K) 94 (300K) 118 (300K)	(all k's) (available)	sieve-riesel-base987-300K-1M.txt
988	47 (500K) 93 (500K)	(all k's) (available)	sieve-riesel-base988-500K-1M.txt
989	none	proven
990	12160 k's remaining at n=10K. See k's at Riesel Base 990 remain.	(all k's) (available)
991	1080 (300K) 1518 (300K) 2258 (300K) 2382 (300K) 2804 (300K) 2900 (300K) 4124 (300K) 4680 (300K) 6540 (300K) 7224 (300K) 7442 (300K) 7842 (300K) 8388 (300K) 9038 (300K) 9578 (300K) 9584 (300K) 9608 (300K) 9704 (300K) 10260 (300K) 10362 (300K)	(all k's) (available)	sieve-riesel-base991-300K-500K.zip
992	2 (300K) 14 (300K) 22 (300K) 74 (300K) 103 (300K) 116 (300K) 118 (300K) 134 (300K) 146 (300K)	(all k's) (available)	sieve-riesel-base992-300K-500K.txt
993	none	proven
994	26 (300K) 69 (300K) 141 (300K) 201 (300K)	(all k's) (available)	sieve-riesel-base994-300K-500K.txt
995	20 (600K)	20 (available)	sieve-riesel-base995-600K-1M.txt
996	668 k's remaining at n=25K. See k's at Riesel Base 996 remain.	(all k's) (available)
997	1027 k's remaining at n=25K. See k's at Riesel Base 997 remain.	(all k's) (available)
998	5 (300K) 22 (300K) 29 (300K) 30 (300K)	(all k's) (available)	sieve-riesel-base998-300K-500K.txt
999	56 k's remaining at n=100K. See k's at Riesel Base 999 remain.	(all k's) (available)
1000	none	proven
1001	70 (300K) 170 (300K) 994 (300K)	(all k's) (available)	sieve-riesel-base1001-300K-500K.txt
1002	none	proven
1003	252 (500K) 318 (376.9K)	252 (available)     318 Prescott 450K 2025/10/09	k=318 is already tested for n=450K-500K. sieve-riesel-base1003-300K-500K.txt sieve-riesel-base1003-500K-1M.txt
1004	none	proven
1005	1884 k's remaining at n=25K. See k's at Riesel Base 1005 remain.	(all k's) (available)
1006	189 (300K) 417 (300K) 719 (300K) 894 (300K) 944 (300K) 987 (300K) 1158 (300K) 1293 (300K)	(all k's) (available)	sieve-riesel-base1006-300K-500K.txt
1007	none	proven
1008	8556 k's remaining at n=10K. See k's at Riesel Base 1008 remain.	(all k's) (available)
1009	150 (300K) 186 (300K) 434 (300K) 444 (300K) 896 (300K) 924 (300K)	(all k's) (available)	sieve-riesel-base1009-300K-500K.txt
1010	9 (300K) 31 (300K) 53 (300K) 74 (300K) 80 (300K) 102 (300K) 125 (300K) 131 (300K) 144 (300K) 185 (300K) 235 (300K) 248 (300K) 256 (300K) 278 (300K) 302 (300K) 317 (300K)	(all k's) (available)	sieve-riesel-base1010-300K-500K.txt
1011	none	proven
1012	16389 k's remaining at n=10K. See k's at Riesel Base 1012 remain.	(all k's) (available)
1013	none	proven
1014	none	proven
1015	41219 k's remaining at n=2.5K. See k's at Riesel Base 1015 remain.	(all k's) (available)	sieve-riesel-base1015-2.5K-10K.zip
1016	none	proven
1017	100 (300K) 354 (300K) 396 (300K) 522 (300K) 828 (300K)	(all k's) (available)	sieve-riesel-base1017-300K-500K.txt
1018	2160 k's remaining at n=25K. See k's at Riesel Base 1018 remain.	(all k's) (available)
1019	2 (600K)	2 (available)	sieve-riesel-base1019-600K-1M.txt
1020	3621347 k's remaining at n=1K. See k's at Riesel Base 1020 remain.	(all k's) (available)
1021	none	proven
1022	none	proven
1023	142 k's remaining at n=100K. See k's at Riesel Base 1023 remain.	(all k's) (available)
1024	29 (1M)	29 (available)	Partially sieved file: sieve-riesel-base1024-1M-3M.txt
1025	8 (1.075M)	8 (available)	Partially sieved files: sieve-riesel-base1025-1.075M-1.251M.txt sieve-riesel-base1025-1.251M-1.499M.txt sieve-riesel-base1025-1.499M-1.755M.txt sieve-riesel-base1025-1.755M-2.007M.txt sieve-riesel-base1025-2.007M-3M.txt
1026	none	proven
1027	32 k's remaining at n=250K. See k's at Riesel Base 1027 remain.	(all k's) (available)
1028	none	proven
1029	26 (1M)	26 (available)	Partially sieved file: sieve-riesel-base1029-1M-3M.txt
1030	125 k's remaining at n=100K. See k's at Riesel Base 1030 remain.	(all k's) (available)