The 1st RPS-Drive

Compiled by kar_bon. Let me know if there are any errors.

Started: Nov 19, 2007
Last update: Nov 28, 2007

This page is a Summary of the 1st Team Drive from Riesel Prime Search.

The goal of this drive was to search for primes of the form k·2n-1 for 16 high weighted k's.

Basic information:

StatusThe drive is over!
StartedOctober 31, 2005
EndedAugust 02, 2006
(addition July 09, 2007)
Range n201.7k < n < 400k
(addition 200k < n < 201.7k)
Contributors sieveLSoule, segmtfault, Kosmaj
Sieve depth2600 bn (2.6·1012)
Contributors LLR
(primes found)
Battlemaxx(3), BotXXX, CedricVonck(1), Dougy(2), edorajh(10), Flatlander(2), gribozavr(1),
grobie(2), John S.(1), Joshua2, kar_bon(1), Kosmaj(26), Lsoule(46), NiceMedTexMD(2),
segmtfault(5), Templus(1), VBCurtis
Candidates for LLR
Primes found103 new
LinkRPS-Forum

Data table:

knash
weight
# candidates# primesprime for n
673422755356will5223322, 347511, 353411, 364695, 395172
4607352756086be4203335, 214002, 222828, 364244
6633014855441filled5219504, 283108, 310281, 327696, 334362
6979422455663with6200875*, 203135, 227785, 322681, 327686, 378553
7796023955511the7270175, 274412, 324527, 333493, 334489, 374864, 380120
8040035256100next7214262, 216915, 266132, 332603, 336113, 342906, 368847
8706678756481update9206753, 212653, 227223, 267981, 272449, 272494, 276165, 278560, 280741
9183324156142 9214043, 239792, 248917, 262673, 272910, 282017, 294041, 301645, 364130
13259787455367 4207546, 231853, 240347, 368910
16261764755557 3238545, 261194, 346364
16946148455732 8210675, 233653, 253946, 276735, 287699, 305693, 315949, 344338
17388120755587 6208659, 270036, 272308, 295976, 338289, 369523
19527758256493 6221012, 223100, 224003, 351809, 366939, 381015
20223813755639 9211753, 218104, 232878, 244893, 262241, 273167, 293727, 315661, 343804
32767427555600 7248386, 253106, 260185, 273507, 289153, 321975, 340049
34675606355932 8274439, 283353, 306548, 314870, 332529, 339001, 370425, 387681

* = additional prime found by kar_bon, who extended the search range for n_min from 201700 downto 200000 in July 2007.

Detailed range overview:

Will be done with the next update.