Low Weight
Started: August 20, 2004
Last update: Febuary 24, 2005
Titan Primes found on this project:
3817*2^218917-1 on Sep 2, 2004 Jocelyn Larouche
209826493*2^1071303-1 on Sep 21, 2004 Thomas Ritschel
12791*2^308026-1 on Sep 30, 2004 Jocelyn Larouche
209826493*2^1140855-1 on Nov 16, 2004 Thomas Ritschel
80857169*2^1251076-1 on Dec 12, 2004 Thomas Ritschel
64387*2^243001-1 on Jan 5, 2005 Marcin Lipinski
This project is to find large primes on low weight candidates of the form k*2^n-1.
[x] working on it ... (x) Done to x by
| k | is 10^3 |
| M | is 10^6 |
| G | is 10^9 |
| T | is 10^12 |
To get the sieve file k=3343: www.15k.org/Riesel/3343_ktest.txt
| Reserved | Available | Riesel Number |
Some ranges might already be done to 1M. Please send any info to Joss Larouche.
| k | Reserved | n's/1000 left | sieve 1M (p, n's left) |
sieve 2M (p, n's left) |
n's prime |
| 253 | Joss | 3.923 | done | 1T, 3629 | 71, 1007, 27623 [Joss at 1.130M] |
| 659 | 7.798 | 31G, 1555 | 800516 (800k rieselsieve) | ||
| 2293 | rieselsieve | done | |||
| 3343 | 4.594 | 37G, 2992 | 483, 1299 (331k Joss) | ||
| 3817 | 4.932 | 43G, 3007 | 40381, 161197, 218917 (252k Joss) | ||
| 4813 | 5.018 | 49G, 3850 | 515, 11379, 13155 (230k Joss) | ||
| 5077 | 6.038 | 48G, 5748 | 117, 333 (227k Joss) | ||
| 6119 | 4.599 | 95G, 2721 | 4544 (360k Joss) | ||
| 6883 | Joss | 2.46 | 325G, 481 | 10M, 3711 | 39 [Joss at 894k] |
| 7331 | 5.217 | 65G, 4419 | 34, 87154 (154k Joss) | ||
| 9179 | 3.617 | 7.5G, 2550 | 4120, 10408, 41680 (295k Joss) | ||
| 9613 | 6.463 | 17G, 5211 | 1479, 34239 (108k Joss) | ||
| 9787 | 3.787 | 15G, 1707 | 13, 589, 913, 2893, 47209 (506k Joss) | ||
| 9913 | 3.695 | 18G, 2252 | 1187, 8387 (291k Joss) | ||
| 10949 | 2.648 | 114G, 1374 | 10M, 4202 | 1492, 1516 (481k Joss) | |
| 11411 | 4.52 | 342G, 1906 | 34, 106, 154, 1570, 12706 (575k Ingmar) | ||
| 11519 | 5.22 | 12G, 4094 | 164444 (216k Joss) | ||
| 12791 | 2.237 | 138G, 1289 | 10M, 5610 | 2818, 29398, 308026 (627k Joss) | |
| 14459 | Ingmar | 7.22 | 64G, 4947 | 171144 [Ingmar at 360k] | |
| 17077 | Joss | 2.478 | 16.5G, 1837 | 10M, 3639 | 677 [Joss at 370k] |
| 19919 | 6.471 | 2G, 5185 | 888, 2688, 8460 (101k Joss) | ||
| 20141 | 5.847 | 2G, 3987 | 30, 78 (203k Joss) | ||
| 20639 | Ingmar | 1.2G, 6232 | 948, 2668, 23084, 80788, 81300 [Ingmar at 335k] | ||
| 21547 | 1.6G, 7287 | 121, 2233, 16001 (104k Joss) | |||
| 21673 | 1.4G, 4048 | 7, 775, 129175 (168k Joss) | |||
| 22183 | 100M, 6201 | 727, 2471 (30k Joss) | |||
| 23437 | 3.034 | 7G, 3034 | 10M, 4225 | 337, 2317, 3829 (30k Joss) | |
| 23669 | rieselsieve | done | |||
| 24067 | 1M, 10004 | 1753, 2069, 2881 (30k Joss) | |||
| 24671 | 1M, 9458 | 1290, 2250, 11698 (30k Joss) | |||
| 25229 | 3.06 | 26G, 2070 | 10M, 4415 | 238652 (Yves Gallot) (325k Joss) | |
|
26773 |
rieselsieve | done | |||
| 27253 | 1M, 7425 | (33k Joss) | |||
| 27791 | 1M, 5717 | 4654, 12262, 17038, 19750 (30k Joss) | |||
| 30727 | 1M, 9416 | 1121, 3353, 15929 (30k Joss) | |||
| 31511 | 1M, 5971 | 278, 6398 (30k Joss) | |||
| 31859 | rieselsieve | done | |||
| 32713 | Marcin | 1M, 9562 | 19, 4471, 10351 (30k Joss) 159151 [Marcin at 195k] | ||
| 38473 | rieselsieve | done | |||
| 38887 | Marcin | ||||
| 43541 | 3.3G, 3308 | (237k Joss) | |||
| 46663 | rieselsieve | done | |||
| 48973 | 230M, 2569 | 43, 115, 259 (35k Joss) | |||
| 50227 | 131M, 5851 | 11893 (31k Joss) | |||
| 51127 | Ingmar | 25G | 49, 73, 849, 4953, 6841, 35209 [Ingmar at 225k] | ||
| 53741 | 1.2G, 1442 | 10M, 2209 | 4738 (121k Joss) | ||
| 57943 | 1M, 5132 | 555, 15675 (30k Joss) | |||
| 63487 | Marcin | 245, 293, 117413, 136517 [Marcin at 304k] | |||
| 64387 | Marcin | 40249, 243001 [Marcin at 288k] | |||
| 65279 | 1640, 4952, 66632 (82k Joss) | ||||
| 67117 | rieselsieve | done | |||
| 70079 | 2.437 | 42G, 2006 | 1428 (176k Joss) | ||
| 71009 | done | 1185112 (1.18M rieselsieve) | |||
| 74201 | Marcin | 46, 142, 2014 [Marcin at 335k] | |||
| 74699 | riseslsieve | done | |||
| 77711 | Marcin | 1218, 108930 [Marcin at 201k] | |||
| 81041 | rieselsieve | done | |||
| 84277 | Marcin | ||||
| 85807 | Marcin | ||||
| 93997 | 6.600 | 91G, 895 | 864401 (864k rieselsieve) | ||
| 97139 | rieselsieve | done | |||
| 106303 | 10G, 3323 | 1939 (127k Joss) | |||
| 114613 | 15G, 3824 | 211, 1687 (40k Joss) | |||
| 116531 | Marcin | 1M, 4503 | 59782 [Marcin at 304k] | ||
| 117037 | 8G, 3314 | 1029 (30k Joss) | |||
| 124679 | 12G, 2182 | 948, 2460, 10308 (84k Joss) | |||
| 130139 | 58G, 1316 | 10M, 3361 | 280296 (g127) (411k Joss) | ||
| 131069 | 1.3G, 2839 | 16, 112 (50k joss) | |||
| 131707 | |||||
| 132217 | 15281 (30k Joss) | ||||
| 132851 | 1M, 4782 | 1734, 12222, 25110 (30k Joss) | |||
| 138847 | Joss | 0.767 | done | 3T, 379 | 33, 1283793 (1.4M Jean Penné) [Joss at 1.4M] |
| 143047 | Jiong Sun | ||||
| 148901 | (30k Joss) | ||||
| 150847 | done | 1076441 (rieselsieve) | |||
| 152713 | done | 1154707 (rieselsieve) | |||
| 161669 | rieselsieve | ||||
| 167021 | |||||
| 170591 | 4.905 | 2.7G, 653 | 866870 (866k rieselsieve) | ||
| 171089 | |||||
| 171607 | 1.648 | 58G, 915 | 21117, 73245 (410k Joss) | ||
| 175211 | |||||
| 177941 | |||||
| 179743 | 50M, 3473 | (30k Joss) | |||
| 192089 | done | 1395688 (1.39M rieselsieve) | |||
| 192509 | 1M, 4296 | 52 (30k Joss) | |||
| 192971 | |||||
| 212893 | 730387 (rieselsieve) | ||||
| 216367 | 1M, 4067 | 1601, 5129, 28841 (35k Joss) | |||
| 220033 | 10.140 | 200M, 2842 | 719731 (719k rieselsieve) | ||
| 236377 | 1M, 7031 | ||||
| 239857 | 1M, 8134 | ||||
| 245561 | 50G, 893 | (309k Joss) | |||
| 246299 | 10.707 | 200M, 2649 | 752600 (752k rieselsieve) | ||
| 248047 | 1M, 4423 | ||||
| 249127 | 1M, 7067 | ||||
| 256453 | |||||
| 261221 | 6.829 | 200M, 2121 | 689422 (689k rieselsieve) | ||
| 265423 | |||||
| 273613 | |||||
| 275591 | 1.767 | 18G, 1350 | 5354 (232k Joss) | ||
| 278077 | 1M, 4311 | ||||
|
278713 |
1M, 3399 | 17159 (32k Joss) | |||
| 279703 | 9.766 | 100M, 3748 | 616235 (616k rieselsieve) | ||
| 279731 | |||||
| 284579 | |||||
| 294907 | |||||
| 304207 | rieselsieve | ||||
| 306251 | |||||
| 309817 | 6.819 | 200M, 612 | 901173 (901k rieselsieve) | ||
| 310867 | |||||
| 313979 | |||||
| 320107 | |||||
| 323563 | 10M, 5173 | ||||
| 327163 | 10M, 3206 | 167, 3047, 22151 (124k Joss) | |||
| 332159 | |||||
| 334147 | |||||
| 334331 | |||||
| 336839 | rieselsieve | ||||
| 342337 | 1.394 | 21G, 923 | 1657 (337k Joss) | ||
| 342847 | rieselsieve | ||||
| 350107 | done | 1144101 (114M rieselsieve) | |||
| 362737 | |||||
| 370421 | 10M, 4240 | ||||
| 384029 | |||||
| 397027 | |||||
| 399239 | |||||
| 403993 | 1.230 | 35G, 732 | 29G, 1238 | 379 (405k Joss) | |
| 411793 | |||||
| 412717 | done | 1084409 (1.08M rieselsieve) | |||
| 412843 | |||||
| 434729 | |||||
| 441907 | 10M, 5549 | ||||
| 444637 | Thomas | done | none [Thomas at 2.3M] | ||
| 451049 | 10M, 6423 | ||||
| 458743 | 547791 (547k rieselsieve) | ||||
| 460139 | 8.822 | 100M, 1944 | 779536 (779k rieselsieve) | ||
| 464353 | |||||
| 464909 | 10M, 7035 | ||||
| 465187 | 10M, 6444 | ||||
| 469933 | |||||
| 469949 | 10M, 3518 | (30k Joss) | |||
| 473279 | |||||
| 485557 | 10M, 3432 | (30k Joss) | |||
| 487811 | 10M, 3350 | (30k Joss) | |||
| 491891 | 2.5G, 1377 | 5830 (251k Joss) ok | |||
| 492787 | 10M, 7115 | ||||
| 500621 | done | 1138519 (rieselsieve) | |||
| 502541 | done | 1199930 (1.19M rieselsieve) | |||
| 504613 | done | 1136459 (rieselsieve) | |||
| 509203 | |||||
| 516569 | 1.376 | 60G, 752 | 20 (448k Joss) | ||
| 612509 | (30k Joss) | ||||
| 643843 | |||||
| 648433 | |||||
| 671413 | 10M, 2965 | (30k Joss) | |||
| 685183 | |||||
| 686711 | |||||
| 700057 | |||||
| 700477 | |||||
| 762701 | |||||
| 777149 | |||||
| 780427 | |||||
| 783073 | |||||
| 784109 | 1.42 | 39G, 990 | 99884 (298k Joss) | ||
| 790841 | |||||
| 808477 | 10M, 4511 | ||||
| 842711 | |||||
| 844559 | 10M, 5019 | ||||
| 850931 | 1.52 |
13G, 1355 |
8966 (100k Joss) | ||
| 866219 | 10M, 5272 | ||||
| 893887 | 2.08 | 100M, 2086 | |||
| 953429 | |||||
| 961573 | |||||
| 963643 | 1.084 | 161G, 737 | none (335k Joss) | ||
| 967597 | |||||
| 981493 | 1.420 | 500M, 1420 | (30k Joss) | ||
| 992077 | |||||
| 1002401 | 10M, 4745 | ||||
| 1005449 | 10M, 4761 | ||||
| 1005671 | 100M, 3851 | ||||
| 1006469 | 10M, 3148 | ||||
| 1011371 | 100M, 5324 | ||||
| 1034503 | |||||
| 1049917 | done | (1M Joss) | |||
|
1106681 |
|||||
| 1145699 | |||||
| 1180391 | |||||
| 1208953 | 1.161 |
219G, 912 |
4007 (200k Joss) | ||
| 1210421 | |||||
| 1230877 | 10M, 5763 | ||||
| 1234949 | 10M, 3905 | ||||
| 1247173 | |||||
| 1254341 | |||||
| 1283759 | |||||
| 1310437 | |||||
| 1330207 | |||||
| 1330319 | |||||
| 1343021 | |||||
| 1423139 | 9.5G, 1377 | 16980 | |||
| 1494299 | |||||
| 1523369 | |||||
| 1537649 | |||||
| 1570927 | 2.087 | 20M, 2087 | |||
| 1580233 | 1.838 | 100M, 1838 | |||
| 1878839 | 20M, 1573 | ||||
| 1926521 | 39G, 1006 | (143k Joss) | |||
| 2232007 | done | 1490605 (L4) | |||
| 2308121 | 0.631 | 75G, 287 | (616k Joss) | ||
| 2463547 | |||||
| 2559419 | |||||
| 2564279 | 100M, 1213 | ||||
| 2686919 | |||||
| 2693051 | |||||
| 4254149 | 20M, 1583 | ||||
| 4278899 | 0.675 | 48G, 324 | 10M, 1036 | 13720 (520k Joss) | |
| 5112431 | |||||
| 5619371 | |||||
| 8288233 | |||||
| 8376239 | 20M, 1972 | ||||
| 9096613 | 50M, 1757 | ||||
| 9705763 | 150M, 913 | ||||
| 9770317 | 0.660 | 22G, 434 | 2205 (322k Joss) | ||
| 10013593 | |||||
| 10108837 | |||||
| 10247561 | |||||
| 10284899 | |||||
| 10296007 | |||||
| 10346561 | |||||
| 10453199 | |||||
| 10463923 | |||||
| 10544249 | |||||
| 10598947 | |||||
| 10639619 | |||||
| 10671431 | |||||
| 10805593 | |||||
| 10813783 | |||||
| 10906603 | |||||
| 10932097 | 1M, 2015 | ||||
| 10943321 | 1M, 2666 | ||||
| 11223059 | 0.843 | 260M, 843 | |||
| 11311003 | 0.784 | 81G, 576 | (275k Joss) | ||
| 11319193 | 1M, 2025 | ||||
| 11468609 | 1M, 2025 | ||||
| 11553221 | 10M, 1982 | ||||
| 11639819 | 100M, 1367 | 12 | |||
| 11658187 | 1M, 2297 | ||||
| 11716993 | 1M, 2168 | ||||
| 11741347 | 1M, 1945 | ||||
| 11846279 | 1M, 2230 | ||||
| 11847299 | 1M, 2209 | ||||
| 11932211 | 100M, 1326 | ||||
| 11955659 | 1M, 1878 | ||||
| 12192793 | |||||
| 12254533 | 100M, 1352 | ||||
| 12305981 | 100M, 1410 | ||||
| 12334093 | 100M, 1758 | ||||
| 12551291 | 1M, 2073 | ||||
| 12695159 | Marcin | 0.691 | |||
| 12700769 | 10M, 2071 | ||||
| 12753311 | 1M, 1908 | ||||
| 12825793 | 1M, 2426 | ||||
| 13277471 | 1M, 2518 | ||||
| 13651423 | 1M, 2157 | ||||
| 13768087 | 1M, 2231 | ||||
| 13900807 | 0.556 | 20G, 556 | 10M, 832 | 9741 | |
| 14085941 | 100M, 1335 | ||||
| 14321533 | 0.457 | done | 100G, 439 | (1019k Joss) | |
| 14466883 | 1M, 1874 | ||||
| 14533213 | 1M, 2135 | ||||
| 14549347 | 1M, 2365 | ||||
| 14745343 | 154M, 1198 | ||||
| 14961487 | 105G, 436 | 10M, 1113 | (403k Joss) | ||
| 15296681 | 209M, 1250 | ||||
| 15364003 | 0.650 | 148G, 118 | (818k Joss) | ||
| 17481461 | |||||
| 19009421 | Marcin | ||||
| 19009979 | Marcin | none [Marcin at 332k] | |||
| 19370947 | Thomas | done | 25 | ||
| 19709699 | 460M, 897 | 10M, 1112 | |||
| 24186941 | 10M, 1796 | ||||
| 24384313 | 100M, 976 | 10M, 1160 | |||
| 24814241 | 10M, 1864 | ||||
| 26161207 | 0.594 | 73G, 243 | 45G, 582 | (591k Joss) | |
| 26503927 | 10M, 1153 | 10M, 1157 | |||
| 26946089 | 10M, 1939 | ||||
| 27659053 | 10M, 1746 | ||||
| 28077667 | 79305, 92145 (287k Marcin) | ||||
| 28161431 | 10M, 1800 | ||||
| 28420897 | 10M, 1648 | ||||
| 29899769 | 10M, 1959 | ||||
| 32537227 | Kosmaj | 1T, 1280 | [Kosmaj at 848k] | ||
| 32703941 | |||||
| 33118619 | 10M, 1660 | ||||
| 33615761 | 10M, 1418 | ||||
| 35873623 | |||||
| 36231101 | |||||
| 37027019 | 10M, 1617 | ||||
| 37616317 | 10M, 1551 | ||||
| 37944761 | 10M, 1756 | ||||
| 38279707 | 10M, 1674 | ||||
| 38759233 | 10M, 1400 | ||||
| 39123883 | 10M, 1773 | ||||
| 40293059 | 0.681 | 9.4G, 527 | 10M, 876 | (226k Joss) | |
| 41343149 | 100M, 982 | 10M, 1128 | |||
| 42160421 | |||||
| 56251213 | 0.698 | 22G, 649 | 10M, 1043 | 551 | |
| 58352849 | 10M, 1900 | ||||
| 59910449 | Thomas | done | 92 | ||
| 80857169 | Thomas | done | 4, 1251076 | ||
| 143316643 | Thomas | done | |||
| 162405629 | Thomas | done | 896, 12236 | ||
| 175437131 | Thomas | done | |||
| 189030223 | Thomas | done | |||
| 203012861 | Thomas | done | 754 | ||
| 209826493 | Thomas | done | 1071303, 1140855 | ||
| 224371169 | Thomas | done | 3548 | ||
| 243163663 | Thomas | done | 919087 | ||
| 245265883 | Thomas | done | |||
| 260213857 | Thomas | done | |||
| 265831619 | Thomas | done | |||
| 276278983 | Thomas | done | 21623, 473423 | ||
| 290851087 | Thomas | done | 57 | ||
| 298095191 | Thomas | done | |||
| 300871183 | Thomas | done | |||
| 308120317 | Thomas | done | |||
| 308141737 | Thomas | done | 7517 | ||
| 315940139 | Thomas | done | 8388, 595620 | ||
| 326840893 | Thomas | done | 31 | ||
| 331541563 | 0.773 | 48G, 374 | 10M, 1201 | (516k Joss) | |
| 346308551 | 0.853 | 71G, 648 | 10M, 1285 | (241k Joss) | |
| 346807897 | 1.033 | 15G, 688 | 10M, 1470 | ( 292k Joss) | |
| 350399261 | 0.566 | done | 78G, 501 | [1.1M Joss) | |
| 352668821 | Joss | 1.03 | done | 264G, 850 | 49910 [Joss at 1M] |
| 352744289 | 32M, 1744 | 10M, 1929 | |||
| 353437897 | 160M, 1405 | 10M, 1660 | |||
| 353442133 | Marcin | 10M, 1186 | [Marcin at 336k] | ||
| 353880067 | 0.594 | 563G, 138 | 200M, 823 | (765k Joss) | |
| 355268803 | 0.846 | 98G, 344 | 10M, 1256 | (580k Joss) | |
| 355279961 | 40M, 1805 | ||||
| 355281299 | 11M, 2679 |