Riesel primes of the form 4219•2n-1

Current data

k , b : 4219 , 2 Count : 30 Nash : 1893 Max n : 500,000 Date : 2023-12-01

3, 5, 9, 17, 23, 39, 63, 65, 177, 187, 207, 473, 729, 1433, 1927, 2119, 2463, 2537, 2915, 4257, 14613, 15833, 16713, 22673, 38717, 102605, 168635, 170897, 270407, 379143

History

• 2023-12-01: Checked to n = 500000, Norman D. Powell, released.
• 2023-11-24: Reserved by Norman D. Powell
• 2011-02-07: Checked to n = 20000, Oscar Tutusaus Santandreu
• 2007-07-06: Checked to n = 10000, Gary Barnes