Riesel primes of the form 2565•2n-1

Current data

k , b : 2565 , 2 Type : 315 Count : 67 Nash : 3454 Max n : 2,000,000 Date : 2024-04-14

2, 4, 15, 16, 24, 25, 26, 30, 33, 36, 37, 48, 52, 126, 136, 146, 165, 204, 216, 285, 324, 336, 340, 462, 468, 481, 664, 717, 785, 1191, 1202, 1865, 2046, 2831, 2940, 3201, 3855, 4230, 4901, 5271, 5935, 6897, 7240, 8551, 14188, 15521, 18962, 39463, 42253, 46297, 52968, 63172, 91825, 107910, 126148, 144340, 151084, 206781, 207193, 254997, 354815, 427924, 749756, 1014584, 1113204, 1318176, 1758906

History

• 2024-04-14: Checked to n = 2000000, RPS Drive 7, released
• 2018-05-14: Found n = 1758906, Thomas Ritschel, RPS Drive 7
• 2014-01-15: Found n = 1318176, David Metcalfe, RPS Drive 7
• 2012-12-31: Found n = 1113204, James P. Burt, RPS Drive 7
• 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
• 2012-01-06: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
• 2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
• 2011-12-10: Reserved by NPLB Drive 12B, for 250001 ≤ n ≤ 350000
• 2011-10-03: Found n = 1014584, David Metcalfe, RPS Drive 7
• 2011-09-13: Reserved to n = 2000000, RPS Drive 7
• 2010-11-19: Checked to n = 600000, NPLB Drive 11, released
• 2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
• 2009-12-23: Found n = 749756, 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
• 2009-06-25: 427924 confirmed, Gary Barnes, NPLB Drive 11
• 2009-06-22: Reserved by NPLB Drive 11, for 425001 ≤ n ≤ 600000
• 2009-02-17: Found n = 427924, Predrag Minovic, RPS Drive 7
• 2009-02-06: Reserved by RPS Drive 7, for 360000 ≤ n ≤ 600000
• 1998-12-21: Found n = 4901, Bruce Ziemienski