Riesel primes of the form 148323•2n-1

Current data

k , b : 148323 , 2 Type : 3 Count : 44 Nash : 2785 Max n : 1,000,000 Date : 2024-04-18

2, 4, 12, 34, 50, 54, 86, 98, 112, 146, 202, 252, 272, 306, 310, 350, 432, 438, 660, 814, 1152, 1604, 4650, 6876, 10662, 15428, 18846, 22244, 27558, 51020, 62286, 81416, 99176, 113856, 137328, 160796, 205428, 214932, 278546, 317462, 336964, 483356, 908206, 1973319

History

• 2024-04-18: Checked to n = 1000000, even n only, Gary Barnes, released
• 2024-04-15: Reserved by Gary Barnes
• 2023-09-05: Checked to n = 200000, even n only, Alexander Jones
• 2023-03-21: Sieve file created: n = 150000-2000000, even n only, Alexander Jones, yoyo@home
• 2022-12-30: Checked to n = 150000, Alexander Jones
• 2022-12-30: Reserved by Alexander Jones
• 2020-09-04: Checked to n = 50000, Karsten Bonath
• 2011-07-29: Found n = 1973319, Max Dettweiler, CRUS Liskovets-Gallot
• 2011-03-26: Found n = 483356, Lennart Vogel, Twin Prime Search 480000