Riesel primes of the form 10251•2n-1

Current data

k , b : 10251 , 2 Upload me! Type : 3 Count : 47 Nash : 3031 Max n : 500,000 Date : 2022-05-27

3, 6, 11, 38, 39, 69, 111, 146, 309, 339, 346, 350, 406, 573, 1203, 1343, 2866, 2907, 3490, 3639, 4006, 4509, 7062, 7098, 7103, 11561, 13630, 22206, 24609, 28898, 29853, 33450, 45941, 61718, 95382, 106330, 108213, 113894, 128291, 137121, 157877, 166603, 208719, 237186, 411789, 421707, 493587

Remarks :

Available sieve file: n=250k–500k, P=500T, 14071 candidates

History

• 2022-05-27: Checked to n = 500000, Alexander Jones, released
• 2021-11-11: Sieve file created: n = 250000–500000, Alexander Jones, yoyo@home
• 2021-07-25: Reserved by Alexander Jones
• 2021-07-25: Checked to n = 250000, Predrag Kurtovic
• 2021-04-30: Checked to n = 150000, Alexander Jones
• 2021-04-10: Checked to n = 100000, Alexander Jones
• 2020-10-13: Checked to n = 50000, Alexander Jones
• 2011-11-23: Checked to n = 20000, Thomas Ritschel
• 2011-09-29: Found n = 493587, Max Dettweiler, Twin Prime Search