Riesel primes of the form 4021•2n-1

Current data

k , b : 4021 , 2 Count : 34 Nash : 1315 Max n : 2,050,000 Date : 2020-03-27

53, 59, 63, 77, 287, 333, 335, 389, 413, 595, 643, 1309, 1565, 1735, 1915, 6407, 8707, 16525, 21389, 22675, 55643, 72965, 76725, 88763, 138215, 139365, 145997, 182227, 248517, 255363, 357053, 1023743, 1064287, 1199103

History

• 2020-04-11: Speadsheet included, David Metcalfe
• 2020-03-27: Checked to n = 2050000, David Metcalfe, released
• 2017-03-27: Checked to n = 2000000, David Metcalfe
• 2013-03-09: Found n = 1199103, David Metcalfe
• 2012-11-10: Found n = 1064287, David Metcalfe
• 2012-10-07: Found n = 1023743, David Metcalfe
• 2010?: Reserved by David Metcalfe
• 2007-09-09: Found n = 357053, David Metcalfe