Riesel primes of the form 65279•2n-1

Current data

k , b : 65279 , 2 Type : Low Count : 4 Nash : 171 Max n : 1,000,000 Date : 2021-06-23

1640, 4952, 66632, 625704

History

• 2021-06-23: Checked to n = 1000000, Gary Barnes, double-check n=1-650000, results included
• 2020-09-14: Checked to n = 650000, Karsten Bonath
• 2010-10-23: Found n = 625704, James P. Burt
• 2007-07-14: Sieved n<1000000, James P. Burt
• 2007: Checked to n = 82000, Jocelyn Larouche
• 1992: Found n = 1640, Wilfrid Keller