Riesel primes of the form 2265•2n-1

Current data

k , b : 2265 , 2 Type : 315 Count : 32 Nash : 1659 Max n : 2,000,000 Date : 2024-04-14

2, 3, 18, 21, 41, 42, 48, 81, 90, 162, 218, 347, 362, 528, 633, 1170, 1287, 1413, 3876, 4098, 5123, 7178, 9036, 14187, 19130, 23306, 77076, 83898, 116010, 174231, 757026, 1337778

History

• 2024-04-14: Checked to n = 2000000, RPS Drive 7, released
• 2015-05-18: Checked n = 600000 - 700000, Karsten Bonath
• 2014-01-19: Found n = 1337778, David Metcalfe, RPS Drive 7
• 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
• 2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
• 2011-12-31: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
• 2011-09-13: Reserved to n = 2000000, RPS Drive 7
• 2010-11-19: Checked to n = 600000, NPLB Drive 11, released
• 2010-10-19: Reserved by NPLB Drive 12B, for 250001 ≤ n ≤ 350000
• 2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
• 2010-01-01: Found n = 757026, Peter Benson, RPS Drive 7
• 2009-12-18: Checked n = 20000 - 50000, Karsten Bonath
• 2009-08-22: Reserved to n = 1000000, RPS Drive 7
• 2009-08-13: Reserved by NPLB Drive 12A, for 50001 ≤ n ≤ 250000
• 2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
• 2009-06-22: Reserved by NPLB Drive 11, for 425001 ≤ n ≤ 600000
• 2009-02-06: Reserved by RPS Drive 7, for 360000 ≤ n ≤ 600000