Riesel primes of the form 28665•2n-1

Current data

k , b : 28665 , 2 Type : 315 Count : 88 Nash : 4807 Max n : 1,000,000 Date : 2021-07-20

1, 2, 4, 7, 19, 24, 32, 39, 47, 48, 50, 52, 70, 74, 86, 90, 111, 119, 158, 169, 181, 187, 202, 203, 249, 419, 490, 492, 627, 659, 863, 883, 1282, 1443, 1841, 2282, 2653, 2667, 2870, 3283, 3458, 3477, 3896, 3917, 4321, 4543, 6550, 8134, 9432, 12287, 13238, 13302, 13382, 15161, 15199, 15426, 17631, 17682, 18551, 20449, 21176, 21834, 22887, 28502, 33767, 45204, 47377, 49019, 51744, 61598, 80442, 100387, 105197, 115188, 117317, 167774, 234221, 286671, 392688, 443532, 571457, 579514, 581163, 608374, 648667, 690666, 963173, 998816

History

• 2021-07-20: Checked to n = 400000, Alexander Jones, released
• 2021-06-01: Checked to n = 375000, Alexander Jones
• 2021-01-13: Checked to n = 350000, Alexander Jones
• 2020-10-01: Checked to n = 325000, Alexander Jones
• 2020-06-17: Checked to n = 300000, Alexander Jones
• 2020-03-17: Reserved by Alexander Jones for n ≤ 400,000
• 2018-06-23: Checked n = 400000  -  1000000, RPS Drive 9, released
• 2011-11-23: Checked to n = 1007, Gary Barnes
• 2011-08-08: Found n = 998816, Peter Benson, RPS Drive 9
• 2011-06-14: Found n = 963173, Peter Benson, RPS Drive 9
• 2010-07-20: Found n = 690666, Peter Benson, RPS Drive 9
• 2010-06-17: Found n = 648667, David Metcalfe, RPS Drive 9
• 2010-02-11: Found n = 608374, Predrag Minovic, RPS Drive 9
• 2009-12-12: Found n = 581163, David Metcalfe, RPS Drive 9
• 2009-12-08: Found n = 579514, David Metcalfe, RPS Drive 9
• 2009-11-20: Found n = 571457, David Metcalfe, RPS Drive 9
• 2009-05-18: Found n = 443532, Predrag Minovic, RPS Drive 9
• 2009-05-12: Reserved by RPS Drive 9 for n > 400000
• 2008-07-23: Checked to n = 10000, David Harrison