Riesel primes of the form 147687•2n-1

Current data

k , b : 147687 , 2 Type : 3 Count : 28 Nash : 1610 Max n : 850,000 Date : 2023-09-26

16, 22, 26, 28, 46, 116, 118, 148, 172, 206, 296, 298, 308, 808, 1642, 7156, 11374, 11774, 15536, 19286, 26758, 28646, 30496, 49826, 65248, 206128, 788374, 843689

History

• 2023-09-26: Checked to n = 850000, Alexander Jones, released
• 2023-03-20: Checked to n = 600000, Alexander Jones
• 2023-01-27: Checked to n = 300000, Alexander Jones
• 2022-04-06: Checked to n = 100000, Alexander Jones
• 2022-04-05: Checked to n = 50000, Alexander Jones
• 2022-04-05: Reserved by Alexander Jones
• 2009-01-19: Found n = 843689, Karsten Bonath, CRUS Liskovets-Gallot