Riesel primes of the form 2127•2n-1

Current data

k , b : 2127 , 2 Type : 3 Count : 68 Nash : 3437 Max n : 1,310,000 Date : 2015-05-18

1, 4, 13, 22, 26, 32, 34, 41, 50, 76, 82, 100, 113, 157, 242, 253, 306, 552, 654, 1021, 1190, 1337, 1392, 2616, 2784, 2982, 3710, 5542, 5570, 6336, 8126, 8300, 8816, 11125, 12233, 12365, 13477, 17881, 23281, 24896, 25504, 27586, 40856, 43744, 44786, 47177, 65116, 69016, 72582, 110334, 120386, 138553, 153190, 155490, 170345, 201613, 261934, 273109, 274506, 364469, 391712, 491860, 668752, 825414, 850733, 955490, 1078970, 1177082

History

• 2015-05-18: Checked n = 600000 - 700000, Karsten Bonath
• 2015-04-20: Checked to n = 1310000, RPS Drive 12
• 2013-09-13: Found n = 1177082, Lennart Vogel, RPS Drive 12
• 2013-08-31: Found n = 1078970, Lennart Vogel, RPS Drive 12
• 2013-08-30: Checked to n = 1025000, RPS Drive 11, released
• 2013-08-28: Reserved by RPS Drive 12, n ≥ 1025000
• 2012-06-10: Found n = 955490, Peter Benson, RPS Drive 11
• 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
• 2012-01-03: Checked to n = 350000, NPLB Drive 12B, released
• 2012-01-02: Found n = 850733, Peter Benson, RPS Drive 11
• 2011-12-31: Reserved by NPLB Drive 12C, for 350001 ≤ n ≤ 425000
• 2011-12-12: Found n = 825414, Peter Benson, RPS Drive 11
• 2011-09-21: 491860 confirmed, Lennart Vogel, Twin Prime Search 480000
• 2011-09-12: Found n = 668752, Peter Benson, RPS Drive 11
• 2011-09-03: Reserved by RPS Drive 11, for n ≥ 666666
• 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
• 2009-10-08: Found n = 491860, 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
• 2009-06-22: Reserved by NPLB Drive 11, for 425001 ≤ n ≤ 600000
• 2009-06-15: Checked to n = 95000, Thomas Ritschel, released
• 2009-03-31: Reserved by Thomas Ritschel, for 20000 < n < 500000