Riesel primes of the form 19865•2n-1

Current data

k , b : 19865 , 2 Count : 22 Nash : 2322 Max n : 50,000 Date : 2021-11-08

4, 6, 8, 10, 14, 28, 64, 74, 122, 374, 686, 806, 2862, 2998, 3248, 3964, 5666, 9942, 24538, 30160, 42652, 47482

History

• 2021-11-08: Checked to n = 50000, Alexander Jones
• 2011-11-23: Checked to n = 1007, Gary Barnes
• 1989: Found n = 9942, John Brown, Landon Curt Noll, Bodo Parady, Gene Smith, Joel Smith, Sergio Zarantonello, Amdahl Six