Riesel primes of the form 70257•2n-1

Current data

k , b : 70257 , 2 Type : 3 Count : 48 Nash : 4124 Max n : 50,000 Date : 2020-08-26

5, 9, 14, 17, 21, 22, 30, 33, 36, 38, 52, 80, 100, 117, 120, 142, 185, 289, 304, 308, 318, 333, 413, 437, 456, 500, 501, 628, 1342, 1358, 2185, 2421, 3406, 3489, 3721, 4454, 4797, 5217, 8364, 8397, 12576, 14000, 16308, 23456, 27752, 44644, 47977, 493276

History

• 2020-08-26: Checked to n = 50000, Karsten Bonath
• 2011-09-25: Found n = 493276, Max Dettweiler, Twin Prime Search 480000