Riesel primes of the form 31431•2n-1

Current data

k , b : 31431 , {{{Rb}}} Count : 20 Nash : 1616 Max n : 50,000 Date : 2020-09-05

1, 7, 41, 49, 73, 517, 599, 977, 1337, 1535, 3037, 4577, 9301, 16942, 17569, 17689, 20063, 33527, 39497, 695695

[[Category:Riesel {{{Rb}}}|#.....31431]]

History

• 2020-09-05: Checked to n = 50000, Alexander Jones
• 2011-11-23: Checked to n = 1007, Gary Barnes
• 2006-02-13: Found n = 695695, Giovanni Di Maria