Riesel primes of the form 491139668145•2n-1

Current data

k , b : 491139668145 , 2 Type : 315 Count : 56 Nash : 4904 Max n : 50,000 Date : 2023-10-05

3, 8, 9, 11, 15, 17, 20, 22, 30, 37, 50, 81, 84, 143, 152, 164, 174, 204, 210, 241, 313, 351, 488, 818, 957, 1151, 1920, 2019, 3419, 4021, 4601, 6037, 8064, 8593, 10577, 10611, 11095, 13449, 13740, 14507, 21283, 23807, 23950, 24535, 26541, 30060, 30540, 31279, 33432, 34847, 37374, 38391, 41733, 42358, 49859, 1700000

History

• 2023-10-05: Checked to n = 50000, Alexander Jones
• 2023-07-27: Found n = 1700000, Oliver Kruse, Twin Prime Search 1700000