Riesel primes of the form 23851•2n-1

Current data

k , b : 23851 , 2 Upload me! Count : 34 Nash : 1623 Max n : 400,000 Date : 2025-01-13

1, 3, 31, 51, 73, 75, 91, 115, 121, 123, 189, 195, 213, 711, 943, 1099, 1215, 1363, 3939, 9459, 10003, 10653, 32467, 45141, 67095, 67563, 72055, 101083, 116563, 122467, 171787, 221515, 274393, 327001

History

• 2025-01-13: Checked n = 200000 - 400000, Alexander Jones, results included, released
• 2024-10-17: Sieve file created: n = 200000-400000, Alexander Jones
• 2024-10-17: Checked n = 50000 - 200000, Alexander Jones, results included
• 2024-10-12: Reserved by Alexander Jones for n = 50000 - 400000
• 2020-08-29: Checked n = 1 - 50000, Alexander Jones
• 2011-11-23: Checked n = 1 - 1007, Gary Barnes
• 2006-09-26: Found n = 327001, Chris Chatfield