Riesel primes of the form 20145•2n-1

Current data

k , b : 20145 , 2 Type : 315 Count : 92 Nash : 4740 Max n : 1,000,000 Date : 2021-07-20

1, 3, 4, 7, 10, 15, 26, 27, 35, 43, 44, 46, 60, 79, 119, 135, 139, 157, 202, 211, 223, 331, 367, 420, 493, 505, 553, 557, 983, 1349, 1367, 1666, 1684, 1992, 2062, 2384, 2750, 3147, 3209, 3483, 3874, 4463, 4587, 5554, 5749, 5850, 8399, 9043, 9300, 9943, 10369, 10595, 14875, 15407, 17559, 17739, 19103, 19981, 20575, 22675, 27445, 31932, 39083, 40456, 46031, 49280, 58033, 68729, 71907, 79685, 83106, 87289, 98532, 104079, 115345, 135799, 146309, 168606, 179401, 204934, 251867, 262846, 296076, 316846, 392527, 474205, 484090, 521191, 537111, 580932, 781371, 833692

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
• 2010-11-12: Found n = 833692, Peter Benson, RPS Drive 9
• 2010-10-02: Found n = 781371, Peter Benson, RPS Drive 9
• 2009-12-11: Found n = 580932, David Metcalfe, RPS Drive 9
• 2009-09-08: Found n = 537111, David Metcalfe, RPS Drive 9
• 2009-07-31: Found n = 521191, Thomas Ritschel, RPS Drive 9
• 2009-06-21: Found n = 484090, David Metcalfe, RPS Drive 9
• 2009-06-10: Found n = 474205, Adam Sutton, RPS Drive 9
• 2009-05-12: Reserved by RPS Drive 9 for n > 400000
• 2008-07-23: Checked to n = 10000, David Harrison