Riesel primes of the form 17691•2n-1

Current data

k , b : 17691 , 2  (sieve) Type : 3 Count : 40 Nash : 2670 Max n : 500,000 Date : 2023-06-27

1, 6, 10, 19, 43, 55, 66, 73, 106, 147, 255, 483, 558, 646, 745, 814, 930, 1038, 1059, 1378, 5545, 6270, 7546, 7737, 9507, 23859, 30975, 39915, 54249, 70135, 98389, 101685, 106623, 113469, 229987, 324889, 447999, 477843, 481579, 492225

Remarks :

Available sieve file: n=150k–500k, P=500T, 17945 candidates

History

• 2023-06-27: Checked to n = 500000, Alexander Jones, released
• 2023-03-26: Sieve file created: n = 150000–500000, Alexander Jones, yoyo@home
• 2023-03-26: Reserved by Alexander Jones
• 2021-12-30: Checked to n = 150000, Alexander Jones
• 2021-11-16: Checked to n = 100000, Alexander Jones
• 2020-08-01: Checked to n = 50000, Karsten Bonath
• 2010-11-29: Found n = 481579, Michael Kwok, Twin Prime Search 480000