Riesel primes of the form 1487•2n-1

Current data

k , b : 1487 , 2 Count : 45 Nash : 2966 Max n : 1,000,000 Date : 2013-02-19

12, 16, 24, 32, 42, 46, 52, 66, 150, 196, 202, 276, 316, 384, 480, 490, 932, 2066, 2250, 3112, 3120, 4204, 4654, 5706, 5776, 8062, 11350, 11904, 13310, 18814, 30646, 31086, 59056, 78948, 96834, 100770, 118882, 295712, 356506, 392568, 412806, 475980, 524264, 533256, 698416

History

• 2013-02-19: Checked n = 500000 - 1000000, NPLB Drive 10, released
• 2011-04-18: Found n = 698416, Gary Barnes, NPLB Drive 10
• 2009-06-06: Checked n = 200000 - 350000, NPLB Drive 9B, released
• 2009-04-17: Found n = 533256, Brian Lody, NPLB Drive 10
• 2009-04-13: Found n = 524264, Vaughan Davies, NPLB Drive 10
• 2009-04-07: Checked n = 350000 - 500000, NPLB Drive 8, released
• 2009-03-31: Reserved by NPLB Drive 10, for n = 500000 - 1000000
• 2009-02-27: Found n = 475980, Vaughan Davies, NPLB Drive 8
• 2009-01-28: Checked n = 50000 - 200000, NPLB Drive 9A, released
• 2009-01-26: Found n = 412806, Brian Lody, NPLB Drive 8
• 2009-01-24: Found n = 392568, James P. Burt, NPLB Drive 8
• 2009-01-20: Reserved by NPLB Drive 9B, for n = 200000 - 350000
• 2009-01-19: 356506 confirmed, Gary Barnes, NPLB Drive 8
• 2009-01-05: Reserved by NPLB Drive 9A, for n = 50000 - 200000
• 2008-12-30: Reserved by NPLB Drive 8, for n = 350000 - 500000
• 2008-11-02: Found n = 356506, Chris Chatfield
• 2008-08-20: Checked n = 35000 - 50000, Karsten Bonath
• 2008-01-23: Checked n = 10000 - 35000, Adam Sutton
• 2007-07-06: Checked n = 1 - 10000, Gary Barnes