Riesel primes of the form 2547•2n-1

Current data

k , b : 2547 , 2 Type : 3 Count : 64 Nash : 3694 Max n : 2,000,000 Date : 2024-04-14

4, 10, 12, 14, 24, 32, 34, 49, 56, 68, 118, 124, 145, 197, 217, 250, 405, 408, 452, 590, 626, 677, 708, 797, 1149, 1200, 2074, 2146, 2524, 2597, 2746, 3077, 5012, 8590, 9190, 9956, 10774, 14138, 19345, 21112, 21118, 22592, 53944, 57266, 57997, 69365, 70976, 75432, 80630, 88090, 110445, 162670, 221174, 366648, 368196, 437512, 454308, 503218, 556368, 591536, 875780, 901045, 1099688, 1477754

History

• 2024-04-14: Checked to n = 2000000, RPS Drive 7, released
• 2017-03-05: Found n = 1477754, Thomas Ritschel, RPS Drive 7
• 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
• 2012-01-16: Found n = 1099688, David Metcalfe, RPS Drive 7
• 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
• 2011-09-13: Reserved to n = 2000000, RPS Drive 7
• 2010-11-19: Checked to n = 600000, NPLB Drive 11, released
• 2010-10-02: 591536 confirmed, Gary Barnes, NPLB Drive 11
• 2010-04-28: 556368 confirmed, Gary Barnes, NPLB Drive 11
• 2010-04-25: Found n = 901045, Peter Benson, RPS Drive 7
• 2010-04-10: Found n = 875780, Peter Benson, RPS Drive 7
• 2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
• 2009-12-18: Checked n = 20000 - 50000, Karsten Bonath
• 2009-11-05: 503218 confirmed, Vaughan Davies, NPLB Drive 11
• 2009-08-22: Reserved to n = 1000000, RPS Drive 7
• 2009-08-13: Reserved by NPLB Drive 12A, for 50001 ≤ n ≤ 250000
• 2009-07-20: Found n = 591536, David Metcalfe, RPS Drive 7
• 2009-07-24: 454308 confirmed, Gary Barnes, NPLB Drive 11
• 2009-07-04: 437512 confirmed, Gary Barnes, NPLB Drive 11
• 2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
• 2009-06-22: Reserved by NPLB Drive 11, for 425001 ≤ n ≤ 600000
• 2009-05-05: Found n = 556368, Predrag Minovic, RPS Drive 7
• 2009-03-16: Found n = 503218, Predrag Minovic, RPS Drive 7
• 2009-03-01: Found n = 454308, David Metcalfe, RPS Drive 7
• 2009-02-16: Found n = 437512, James P. Burt, RPS Drive 7
• 2009-02-10: Found n = 368196, Predrag Minovic, RPS Drive 7
• 2009-02-09: Found n = 366648, Predrag Minovic, RPS Drive 7
• 2009-02-06: Reserved by RPS Drive 7, for 360000 ≤ n ≤ 600000