Riesel primes of the form 2655•2n-1

Current data

k , b : 2655 , 2 Type : 315 Count : 60 Nash : 2808 Max n : 2,000,000 Date : 2024-04-14

1, 6, 7, 10, 12, 13, 21, 27, 34, 49, 54, 60, 124, 196, 283, 300, 456, 685, 856, 921, 1693, 1746, 1926, 1957, 2145, 2604, 2721, 3126, 4092, 4306, 5955, 6759, 7266, 7465, 9280, 12712, 14713, 14917, 30517, 33580, 45760, 48724, 53371, 54390, 56871, 75181, 84690, 88446, 157777, 185769, 242245, 430740, 472672, 689979, 708133, 721479, 853543, 871905, 1859692, 1879275

History

• 2024-04-14: Checked to n = 2000000, RPS Drive 7, released
• 2018-09-30: Found n = 1859692, Michael Curtis, RPS Drive 7
• 2018-08-31: Found n = 1879275, Thomas Ritschel, 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
• 2011-12-11: 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
• 2010-04-18: Found n = 871905, Predrag Minovic, RPS Drive 7
• 2010-03-26: Found n = 853543, James P. Burt, RPS Drive 7
• 2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
• 2009-12-18: Checked n = 20000 - 50000, Karsten Bonath
• 2009-12-15: Found n = 721479, Michael Curtis, RPS Drive 7
• 2009-12-04: Found n = 708133, Peter Benson, RPS Drive 7
• 2009-11-21: Found n = 689979, Peter Benson, RPS Drive 7
• 2009-08-22: Reserved to n = 1000000, RPS Drive 7
• 2009-08-15: 472672 confirmed, Gary Barnes, NPLB Drive 11
• 2009-08-13: Reserved by NPLB Drive 12A, for 50001 ≤ n ≤ 250000
• 2009-06-28: Checked n = 10000 - 20000, Thomas Ritschel
• 2009-06-28: 430740 confirmed, Gary Barnes, NPLB Drive 11
• 2009-06-22: Reserved by NPLB Drive 11, for 425001 ≤ n ≤ 600000
• 2009-02-26: Found n = 472672, James P. Burt, RPS Drive 7
• 2009-02-14: Found n = 430740, Peter Benson, RPS Drive 7
• 2009-02-06: Reserved by RPS Drive 7, for 360000 ≤ n ≤ 600000