Riesel primes of the form 13311•2n-1

Current data

k , b : 13311 , 2 Type : 3 Count : 45 Nash : 2532 Max n : 500,000 Date : 2023-04-04

3, 9, 33, 41, 62, 86, 113, 125, 137, 143, 203, 221, 302, 795, 861, 891, 987, 1017, 1071, 1901, 2318, 2459, 2573, 3201, 4377, 5565, 7478, 8709, 9482, 11726, 12725, 13389, 13694, 17901, 46287, 55851, 75779, 80051, 113487, 155615, 212739, 278127, 316265, 432081, 486029

History

• 2023-04-04: 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
• 2011-03-28: Found n = 486029, (Oddball), Twin Prime Search 480000