Riesel primes of the form 18447•2n-1

Current data

k , b : 18447 , 2 Type : 3 Count : 34 Nash : 1907 Max n : 200,000 Date : 2021-12-07

12, 13, 18, 28, 73, 78, 82, 126, 148, 225, 318, 390, 481, 538, 636, 652, 997, 1242, 1902, 2152, 4492, 5650, 6502, 25530, 25956, 32740, 34857, 39121, 44148, 106278, 136326, 150462, 173817, 180492

History

• 2021-12-07: Checked to n = 200000, Alexander Jones, released
• 2021-12-03: Checked to n = 50000, Alexander Jones
• 2021-12-03: Reserved by Alexander Jones
• 2011-11-23: Checked to n = 1007, Gary Barnes
• 2004-09-07: Found n = 180492, David Underbakke