Riesel primes of the form 4147•2n-1

Current data

k , b : 4147 , 2 Count : 27 Nash : 1649 Max n : 2,050,000 Date : 2020-03-27

1, 9, 13, 29, 41, 61, 69, 113, 217, 261, 301, 505, 601, 1765, 2405, 2849, 4761, 18913, 26981, 33441, 46901, 86021, 113117, 789245, 1123873, 1156785, 1748201

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
• 2016-01-23: Found n = 1748201, David Metcalfe
• 2013-01-24: Found n = 1156785, David Metcalfe
• 2012-12-26: Found n = 1123873, David Metcalfe
• 2011-05-06: Found n = 789245, David Metcalfe
• 2010?: Reserved by David Metcalfe