Riesel prime 2 23985

Current data

k , b : 23985 , 2 Type : 315 Count : 85 Nash : 5252 Max n : 1,000,000 Date : 2021-07-20

1, 4, 7, 15, 21, 28, 29, 32, 34, 47, 49, 57, 60, 70, 101, 118, 124, 134, 142, 152, 153, 189, 191, 202, 212, 215, 218, 268, 290, 374, 502, 591, 638, 701, 898, 1241, 1289, 1788, 1793, 1849, 1885, 1893, 1973, 2029, 2248, 2390, 2552, 4277, 5097, 5328, 5805, 9384, 12704, 13081, 13997, 14298, 15152, 16514, 17404, 20480, 20870, 22970, 24364, 25440, 45557, 48921, 52280, 54370, 61058, 63377, 78880, 99673, 110880, 131479, 184020, 220558, 293264, 365261, 379134, 405135, 423144, 466484, 822420, 864589, 886285

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
• 2011-10-03: Checked n = 400000  -  1000000, RPS Drive 9, released
• 2011-01-11: Found n = 886285, Larry Soule
• 2010-12-20: Found n = 864589, Peter Benson
• 2010-10-24: Found n = 822420, David Metcalfe
• 2009-05-12: Reserved by RPS Drive 9
• 2009-05-05: Found n = 466484, James P. Burt
• 2009-04-22: Found n = 423144, James P. Burt
• 2009-04-18: Found n = 405135, James P. Burt
• 2008-07-23: Checked to n = 50000, David Harrison