Riesel primes of the form 63487•2n-1

Current data

k , b : 63487 , 2 Type : Low Count : 4 Nash : 133 Max n : 310,000 Date : 2020-10-18

245, 293, 117413, 136517

History

• 2020-10-18: Checked to n = 310000, Alexander Jones, double-check n=1-304000, released
• 2020-09-08: Reserved by Alexander Jones
• 2007-07-14: Checked to n = 100000, Gary Barnes, double-check
• 2005: Checked to n = 304000, Marcin Lipinski