Riesel primes of the form 21547•2n-1

Current data

k , b : 21547 , 2 Type : Low Count : 6 Nash : 275 Max n : 1,000,000 Date : 2021-06-23

1, 121, 2233, 16001, 310625, 936473

History

• 2021-06-23: Checked to n = 1000000, Gary Barnes, double-check, results included
• 2020-07-29: Missed n=1, Karsten Bonath
• 2008-12-14: Checked to n = 1000000, James P. Burt
• 2008-03-23: Found n = 936473, James P. Burt
• 2007-07-14: Sieved n<1000000, James P. Burt
• 2007: Checked to n = 104000, Jocelyn Larouche