Riesel primes of the form 23851•2n-1

Reserved! This sequence is currently reserved by: Alexander Jones

Current data

k , b : 23851 , 2  (sieve) Count : 32 Nash : 1623 Max n : 200,000 Date : 2024-10-17 Reserved : Alexander JonesAlexander Jones/Reserved

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, 327001

History

• 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