Riesel primes of the form 2295•2n-1

Current data

k , b : 2295 , 2 Type : 315 Count : 61 Nash : 2888 Max n : 2,000,000 Date : 2024-04-14

8, 9, 14, 18, 34, 47, 77, 128, 142, 146, 198, 212, 246, 249, 344, 381, 389, 551, 606, 651, 704, 784, 911, 1007, 1272, 1397, 1437, 1946, 2108, 2169, 3268, 3912, 10751, 12214, 14007, 15967, 16542, 19198, 20458, 23169, 25576, 29546, 34426, 38096, 38849, 47606, 75698, 99344, 116849, 148544, 160457, 177022, 210009, 519749, 605708, 633092, 736449, 867724, 1099067, 1155336, 1517247

History

• 2024-04-14: Checked to n = 2000000, RPS Drive 7, released
• 2017-05-02: Found n = 1517247, Thomas Ritschel, RPS Drive 7
• 2015-05-18: Checked n = 600000 - 700000, Karsten Bonath
• 2013-03-19: Found n = 1155336, David Metcalfe, RPS Drive 7
• 2012-02-18: Checked to n = 425000, NPLB Drive 12C, released
• 2012-01-16: Found n = 1099067, David Metcalfe, RPS Drive 7
• 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
• 2010-10-19: Reserved by NPLB Drive 12B, for 250001 ≤ n ≤ 350000
• 2010-04-02: Found n = 867724, Peter Benson, RPS Drive 7
• 2010-01-05: Checked to n = 250000, NPLB Drive 12A, released
• 2010-01-04: Found n = 736449, Thomas Ritschel, RPS Drive 7
• 2009-12-28: 519749 confirmed, Gary Barnes, NPLB Drive 11
• 2009-12-18: Checked n = 20000 - 50000, Karsten Bonath
• 2009-09-19: Found n = 633092, Peter Benson, RPS Drive 7
• 2009-09-02: Found n = 605708, Predrag Minovic, RPS Drive 7
• 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
• 2009-03-29: Found n = 519749, Peter Benson, RPS Drive 7
• 2009-02-06: Reserved by RPS Drive 7, for 360000 ≤ n ≤ 600000