Riesel primes of the form 23985•2n-1

Reserved! This sequence is currently reserved by: Alexander Jones

Current data

k , b : 23985 , {{{Rb}}} Count : 84 Nash : 5252 Max n : 375,000 Date : 2021-06-01 Reserved : Alexander JonesAlexander Jones/Reserved

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, 405135, 423144, 466484, 822420, 864589, 886285

[[Category:Riesel {{{Rb}}}|#.....23985]]

History

• 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
• 2011-11-23: Checked to n = 1007, Gary Barnes
• 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