Riesel primes of the form 11217•2n-1

Reserved! This sequence is currently reserved by: Alexander Jones

Current data

k , b : 11217 , 2 Upload me! Type : 3 Count : 48 Nash : 3279 Max n : 250,000 Date : 2021-07-25 Reserved : Alexander JonesAlexander Jones/Reserved

1, 2, 4, 6, 13, 26, 44, 50, 52, 68, 70, 82, 118, 142, 242, 313, 406, 409, 432, 594, 728, 762, 838, 1105, 1226, 2134, 2413, 2605, 2760, 6682, 10104, 10725, 11090, 11616, 13082, 14938, 22082, 24693, 26486, 33596, 35434, 49156, 52764, 72242, 72756, 98254, 139232, 487364

Remarks :

Available sieve file: n=250k–500k, P=500T, 14705 candidates

History

• 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
• 2011-06-09: Found n = 487364, Lennart Vogel, Twin Prime Search