Riesel primes of the form 339•2n-1

Reserved! This sequence is currently part of Multi Reservation 7: NPLB K300 Drive 1.

Current data

k , b : 339 , 2 Type : 3 Count : 55 Nash : 3025 Max n : 2,800,000 Date : 2024-11-13 Reserved : No Prime Left BehindNo Prime Left Behind/Reserved

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

• 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