Riesel primes of the form 131409•2n-1

Current data

k , b : 131409 , 2 Type : 3 Count : 41 Nash : 2548 Max n : 50,000 Date : 2020-10-16

7, 8, 13, 16, 21, 37, 49, 81, 83, 85, 129, 143, 343, 355, 393, 523, 528, 625, 813, 911, 921, 1113, 1295, 1905, 2029, 2137, 2368, 2445, 2455, 2611, 3160, 3969, 4440, 5681, 6229, 12000, 12647, 15679, 32713, 36273, 484723

History

• 2020-10-16: Checked to n = 50000, Karsten Bonath
• 2011-07-05: Found n = 484723, Lennart Vogel, Twin Prime Search 480000