Riesel primes of the form 2865•2n-1

Current data

k , b : 2865 , 2 Type : 315 Count : 41 Nash : 2136 Max n : 2,000,000 Date : 2024-04-14

10, 12, 13, 21, 24, 30, 40, 67, 69, 138, 174, 222, 264, 292, 498, 525, 750, 984, 1509, 2110, 2382, 2404, 2590, 2893, 3124, 6442, 9858, 10528, 19621, 44214, 68680, 95107, 108918, 114424, 134770, 197950, 222157, 309568, 329637, 368821, 403368

History

• 2024-04-14: Checked to n = 2000000, RPS Drive 7, released
• 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
• 2010-03-26: Reserved by NPLB Drive 12B, for 250001 ≤ n ≤ 350000
• 2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
• 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
• 2009-02-10: Found n = 403368, Even Stokkedalen, RPS Drive 7
• 2009-02-08: Found n = 368821, James P. Burt, RPS Drive 7
• 2009-02-06: Reserved by RPS Drive 7, for 360000 ≤ n ≤ 600000