Riesel primes of the form 2925•2n-1

Current data

k , b : 2925 , 2 Type : 315 Count : 74 Nash : 3658 Max n : 2,000,000 Date : 2024-04-14

1, 2, 3, 7, 10, 13, 21, 22, 37, 67, 69, 111, 118, 146, 161, 170, 177, 226, 230, 270, 301, 303, 354, 370, 380, 442, 466, 571, 660, 788, 1156, 1310, 2542, 2860, 2874, 3679, 5131, 7422, 7617, 9977, 10717, 10726, 10951, 14284, 14412, 26734, 27220, 61831, 72442, 75153, 95179, 135527, 175251, 207042, 223861, 240092, 251947, 285189, 288350, 292324, 377867, 567219, 586347, 618817, 628889, 697733, 718246, 1074630, 1302041, 1319977, 1396366, 1457402, 1564031, 1657921

History

• 2024-04-14: Checked to n = 2000000, RPS Drive 7, released
• 2018-02-27: Found n = 1657921, Thomas Ritschel, RPS Drive 7
• 2017-06-09: Found n = 1564031, Thomas Ritschel, RPS Drive 7
• 2016-12-30: Found n = 1457402, Predrag Minovic, RPS Drive 7
• 2014-02-13: Found n = 1396366, David Metcalfe, RPS Drive 7
• 2014-01-16: Found n = 1319977, David Metcalfe, RPS Drive 7
• 2013-10-26: Found n = 1302041, Michael Curtis, RPS Drive 7
• 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
• 2012-01-06: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
• 2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
• 2011-12-11: Reserved by NPLB Drive 12B, for 250001 ≤ n ≤ 350000
• 2011-12-01: Found n = 1074630, David Metcalfe, RPS Drive 7
• 2011-09-13: Reserved to n = 2000000, RPS Drive 7
• 2010-11-19: Checked to n = 600000, NPLB Drive 11, released
• 2010-09-08: 586347 confirmed, Gary Barnes, NPLB Drive 11
• 2010-06-19: 567219 confirmed, Gary Barnes, NPLB Drive 11
• 2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
• 2009-12-18: Checked n = 20000 - 50000, Karsten Bonath
• 2009-12-09: Found n = 718246, Peter Benson, RPS Drive 7
• 2009-12-01: Found n = 697733, Peter Benson, RPS Drive 7
• 2009-09-25: Found n = 628889, Predrag Minovic, RPS Drive 7
• 2009-09-05: Found n = 618817, Peter Benson, RPS Drive 7
• 2009-08-22: Reserved to n = 1000000, RPS Drive 7
• 2009-08-13: Reserved by NPLB Drive 12A, for 50001 ≤ n ≤ 250000
• 2009-07-07: Found n = 586347, David Metcalfe, RPS Drive 7
• 2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
• 2009-06-22: Reserved by NPLB Drive 11, for 425001 ≤ n ≤ 600000
• 2009-06-07: Found n = 567219, David Metcalfe, RPS Drive 7
• 2009-02-09: Found n = 377867, James P. Burt, RPS Drive 7
• 2009-02-06: Reserved by RPS Drive 7, for 360000 ≤ n ≤ 600000