Riesel primes of the form 15645•2n-1

Current data

k , b : 15645 , 2 Type : 315 Count : 79 Nash : 4601 Max n : 1,000,000 Date : 2021-07-20

6, 8, 9, 10, 13, 18, 21, 23, 24, 28, 29, 34, 60, 70, 94, 96, 111, 120, 168, 188, 258, 278, 284, 286, 320, 356, 360, 381, 389, 394, 417, 480, 1058, 1168, 1288, 1416, 1485, 1500, 1673, 1837, 1930, 2001, 2106, 2216, 2415, 2577, 2663, 3288, 4818, 5130, 5471, 7869, 8183, 9548, 11543, 12290, 14368, 17798, 23681, 24920, 31830, 42566, 61065, 94484, 100205, 107373, 137688, 175077, 192310, 202481, 242640, 254279, 263120, 299660, 478710, 563878, 588293, 642040, 813509

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
• 2018-06-23: Checked n = 400000  -  1000000, RPS Drive 9, released
• 2011-11-23: Checked to n = 1007, Gary Barnes
• 2010-10-17: Found n = 813509, Peter Benson, RPS Drive 9
• 2010-05-31: Found n = 642040, David Metcalfe, RPS Drive 9
• 2009-12-21: Found n = 588293, David Metcalfe, RPS Drive 9
• 2009-11-10: Found n = 563878, David Metcalfe, RPS Drive 9
• 2009-06-18: Found n = 478710, David Metcalfe, RPS Drive 9
• 2009-05-12: Reserved by RPS Drive 9 for n > 400000