Riesel primes of the form 25779•2n-1

Current data

k , b : 25779 , 2 Type : 3 Count : 46 Nash : 3362 Max n : 200,000 Date : 2025-03-08

4, 16, 17, 40, 45, 48, 52, 68, 152, 184, 279, 284, 285, 327, 364, 429, 480, 779, 1112, 1188, 1204, 1224, 1324, 1389, 1448, 1747, 2099, 2308, 2380, 2516, 8608, 10079, 11188, 11657, 12539, 12792, 13120, 14512, 16749, 21857, 24916, 54704, 66365, 72172, 76608, 172595

History

• 2025-03-08: Checked n = 50000 - 200000, Alexander Jones, released
• 2025-02-17: Checked n = 1 - 50000, Alexander Jones
• 2025-02-17: Reserved by Alexander Jones for n = 1 - 200000
• 2004-10-06: Found n = 172595, David Underbakke