Riesel primes of the form 279•2n-1

Current data

k , b : 279 , 2 Type : 3 Count : 48 Nash : 2345 Max n : 2,000,000 Date : 2013-04-02

1, 4, 12, 29, 35, 56, 77, 93, 209, 221, 412, 441, 460, 899, 1859, 1896, 2504, 5315, 6520, 9324, 9460, 11336, 11760, 12317, 21080, 25029, 27064, 29236, 35396, 42791, 55851, 57752, 61551, 73272, 117820, 123253, 162705, 201152, 277455, 318317, 455704, 479437, 587881, 616044, 1003356, 1116600, 1202283, 1590369

History

• 2013-04-02: Checked to n = 2000000, Peter Benson, released
• 2013-03-30: Found n = 1590369, Peter Benson
• 2013-03-29: Reserved by Peter Benson from n=1300000
• 2012-05-14: Checked to n = 1300000, James P. Burt, released
• 2012-04-04: Found n = 1202283, James P. Burt
• 2012-02-02: Found n = 1116600, James P. Burt
• 2011-12-31: Checked to n = 1100000, James P. Burt
• 2011-12-10: Reserved by James P. Burt from n=1000000
• 2011-12-05: Found n = 1003356, James P. Burt
• 2009-07-30: Reserved by Borys Jaworski from n=1000000
• 2007-04-18: Found n = 616044, Predrag Minovic
• 2007-04-01: Found n = 587881, Predrag Minovic
• 2007-01-02: Found n = 479437, Thomas Ritschel
• 2007-01-02: Found n = 455704, J. Craig Brunson
• 2006-11-20: Found n = 318317, Larry Soule
• 2006-11-14: Found n = 277455, Larry Soule
• 2005-01-13: Found n = 201152, Steven Harvey
• 2003-07-30: Found n = 123253, Michael Ian Hartley
• 1998-11-25: Found n = 117820, Kimmo Herranen
• 1998-11-09: Found n = 61551, Kimmo Herranen
• 1998-11-07: Found n = 57752, Kimmo Herranen
• 1998-11-07: Found n = 55851, Kimmo Herranen
• 1998-11-03: Found n = 42791, Kimmo Herranen
• 1998-11-02: Found n = 35396, Kimmo Herranen
• 1998-11-01: Found n = 29236, Kimmo Herranen
• 1998-11-01: Found n = 27064, Kimmo Herranen
• 1998-12-04: Found n = 21080, Wilfrid Keller
• 1998-10-31: Found n = 25029, Kimmo Herranen