Riesel primes of the form 9613•2n-1

Current data

k , b : 9613 , 2 Type : Low Count : 5 Nash : 207 Max n : 1,000,000 Date : 2021-06-23

1479, 34239, 464439, 636159, 734907

History

• 2021-06-23: Checked to n = 1000000, Gary Barnes, double-check, missing prime for n=734907 found, results included
• 2008-12-14: Checked to n = 1000000, James P. Burt
• 2007-07-15: Found n = 636159, James P. Burt
• 2007-07-14: Checked to n = 630000, James P. Burt
• 2007-07-08: Found n = 464439, James P. Burt
• 2007: Checked to n = 211000, Jocelyn Larouche
• 1992: Found n = 1479, Wilfred Keller