Riesel primes of the form 12387•2n-1

Reserved! This sequence is currently reserved by: Alexander Jones

Current data

k , b : 12387 , 2 Upload me! Type : 3 Count : 35 Nash : 1625 Max n : 250,000 Date : 2021-07-25 Reserved : Alexander JonesAlexander Jones/Reserved

2, 8, 12, 36, 72, 86, 116, 156, 201, 252, 302, 321, 452, 537, 572, 684, 798, 1508, 1616, 1854, 3404, 3702, 5828, 6468, 8156, 11346, 18956, 24762, 39704, 50814, 53276, 64526, 181032, 249684, 498072

Remarks :

Available sieve file: n=250k–500k, P=500T, 7863 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
• 2021-04-14: Checked to n = 100000, Alexander Jones
• 2020-09-03: Checked to n = 50000, Karsten Bonath
• 2011-12-15: Found n = 498072, (Oddball), Twin Prime Search
• 2011-11-23: Checked to n = 20000, Thomas Ritschel