Riesel primes of the form 248047•2n-1

Current data

k , b : 248047 , 2 Type : Low Count : 1 Nash : 103 Max n : 1,000,000 Date : 2021-06-23

11613

History

• 2021-06-23: Checked to n = 1000000, Gary Barnes, double-check n=1-650000, results included
• 2020-08-19: Checked to n = 650000, Karsten Bonath, double-check
• 2007-08-28: Checked to n = 100000, Gary Barnes, double-check
• 2007-07-14: Checked to n = 512000, James P. Burt
• 2007-03-13: Checked to n = 617000, James P. Burt
• 1998: Found n = 11613, Yves Gallot