Riesel primes of the form 339•2n-1

Current data

k , b : 339 , 2 Type : 3 Count : 55 Nash : 3025 Max n : 3,000,000 Date : 2022-06-03

1, 3, 5, 7, 8, 11, 19, 23, 29, 39, 43, 49, 79, 80, 103, 109, 139, 143, 175, 215, 307, 367, 416, 451, 467, 469, 483, 688, 1311, 2495, 2591, 2867, 3941, 3995, 4016, 7489, 8703, 21999, 24109, 40472, 43925, 52151, 65741, 81043, 83803, 87421, 127383, 137177, 170103, 284975, 322159, 1110323, 1161347, 1410789, 2336421

History

• 2022-06-03: Checked to n = 3000000, NPLB Drive 15, released
• 2017-12-17: Found n = 2336421, Göran Schmidt
• 2014-12-29: Reserved by NPLB Drive 15, for n=2000000-3000000
• 2013-02-02: Checked to n = 2000000, NPLB Mini Drive 3, released
• 2011-09-10: Found n = 1410789, Karsten Bonath
• 2010-10-02: Found n = 1161347, Karsten Bonath
• 2010-08-28: Found n = 1110323, Karsten Bonath
• 2010-05-18: Reserved by NPLB Mini Drive 3, for 1000000<n<1300000
• 2009-09-11: Checked to n = 1000000, NPLB Mini Drive 1, released
• 2009-05-14: Reserved by NPLB Mini Drive 1, for 600000<n<970000
• 2008-12-30: Reserved by NPLB Mini Drive 1, for 600000<n<950000
• 2008-11-10: Checked to n = 600000, NPLB Drive 3, released
• 2008-03-06: Found n = 322159, James P. Burt
• 2008-03-06: Found n = 284975, James P. Burt
• 2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
• 2002-01-07: Found n = 170103, Steven Harvey
• 2003-06-03: Found n = 127383, Steven Harvey