RPS Drive 9

• Name: Riesel Prime Search Drive 9
• Purpose: The goal of this drive is to search for primes of the form k•2ⁿ-1 for 40 high-weighted 10000 < k < 30000.
• Link: Mersenne Forum
• Started: 2009-05-12
• Ended: 2018-06-23

• k-values:

2009-05-12: k = 11655, 11961, 12045, 12753, 13065, 13845, 14895, 15645, 16485, 16665, 16887,

18525, 18975, 19635, 20145, 20625, 21825, 21885, 22095, 22365, 22701, 22785, 23295, 23805,

25077, 26829, 27615, 28215, 28605, 28665, 29025, 29445, 29685, 29925 for 400000 ≤ n ≤ 1000000

2009-08-23: adding k = 17295, 21285, 21525, 23985, 25905, 28635 for n > 600000

All for drive k = 11655, 11961, 12045, 12753, 13065, 13845, 14895, 15645, 16485, 16665, 16887, 17295,

18525, 18975, 19635, 20145, 20625, 21285, 21525, 21825, 21885, 22095, 22365, 22701, 22785, 23295,

23805, 23985, 25077, 25905, 26829, 27615, 28215, 28605, 28635, 28665, 29025, 29445, 29685, 29925

• n-values: 400000 ≤ n ≤ 1000000

Data table

k-value	Nash	n-range	prime(s) for n
11655	4877	400000-1000000	401963, 418252, 424806, 473872, 506784, 590022, 645132, 696246, 727430, 757687
11961	3850	400000-1000000	424850, 430434, 435323, 593606, 840469, 962562
12045	4931	400000-1000000	417276, 418731, 452687, 486357, 489088, 620122, 667868, 726840, 770274, 950779
12753	3766	400000-1000000	435414, 454484, 472607, 562236, 666810, 715395, 794570, 836660
13065	4719	400000-1000000	531310, 714240, 796328, 823734
13845	4771	400000-1000000	414458, 445995, 461706, 551637, 594191, 683994, 913699, 957036
14895	4710	400000-1000000	403258, 491956, 571039, 619302, 627529, 658676, 710312, 737852, 893647, 954111
15645	4601	400000-1000000	478710, 563878, 588293, 642040, 813509
16485	4920	400000-1000000	498650, 696592, 707527, 720906, 794630, 847436, 885494, 892121, 929564
16665	4736	400000-1000000	416256, 427457, 453665, 517348, 596515, 723935, 760702, 768033, 979166
16887	4520	400000-1000000	581360, 602538, 666018, 718650, 722078, 945468, 978362
17295	5167	600000-1000000	649085, 676300, 687221, 733481, 951405, 954465, 998917
18525	4995	400000-1000000	520464, 544286, 557269, 573427, 623093, 623436, 648363, 993993
18975	4465	400000-1000000	402402, 421970, 456235, 593921, 613126, 962429, 999636
19635	4363	400000-1000000	535940, 621545, 889998, 939163
20145	4740	400000-1000000	474205, 484090, 521191, 537111, 580932, 781371, 833692
20625	4786	400000-1000000	402043, 432045, 466289, 656375, 748615, 762932, 771928, 836987, 934394, 943914
21285	5283	600000-1000000	605585
21525	5138	600000-1000000	690003
21825	4481	400000-1000000	447542, 470138, 659361, 711511, 733583, 832142, 912659
21885	4334	400000-1000000	513697, 537009, 591013, 775829, 988449
22095	4871	400000-1000000	484480, 563477, 731398, 777492, 787615, 805475, 876019, 931021
22365	4331	400000-1000000	468941, 621433, 878720, 934681, 958430
22701	4225	400000-1000000	475814, 529598, 538402, 618983, 650703
22785	4803	400000-1000000	502225, 526091, 642159, 668739, 673724, 722633, 732615, 745892, 978903
23295	4347	400000-1000000	434889, 465214, 519113, 631138, 805393
23805	4694	400000-1000000	451349, 500218, 521958, 527683, 565351, 572827, 620974, 916969
23985	5252	600000-1000000	822420, 864589, 886285
25077	4347	400000-1000000	450772, 452305, 456924, 638968, 659402, 938866
25905	5160	600000-1000000	728087, 942199
26829	4496	400000-1000000	470531, 526099, 563960, 745697, 789515, 903805
27615	4995	400000-1000000	419213, 440754, 444763, 493324, 675803, 962661
28215	4880	400000-1000000	402143, 513716, 685840, 685912, 834509, 969997
28605	4458	400000-1000000	517341, 574540, 640610, 818687, 913690, 978525
28635	5138	600000-1000000	663394, 679452, 767918, 770155, 884471
28665	4807	400000-1000000	443532, 571457, 579514, 581163, 608374, 648667, 690666, 963173, 998816
29025	4361	400000-1000000	432810, 513989, 534750, 560434, 568761, 738012, 741080, 875417, 998089
29445	4937	400000-1000000	417335, 435195, 471983, 483330, 565220, 581617, 627251, 656711, 690486, 873433, 874503, 932899
29685	4470	400000-1000000	615517, 782877, 811227, 870239
29925	4709	400000-1000000	429840, 448240, 459135, 567791, 582960, 731978, 902167, 927148

Range history

Riesel Prime Search

Miscellaneous

Main

Current work

Megabit Drive‎ 1

Completed

Drive 1 Drive 2 Drive 3 Drive 4 Drive 5 Drive 6 Drive 7 Drive 8 Drive 9 Drive 10 Drive 11 Drive 12 Megabit Drive‎ 2 Megabit Drive‎ 3

Individual k-searches

k=5 k=15 k=17

Others