Riesel primes of the form 11897•2n-1

Current data

k , b : 11897 , 2 Count : 26 Nash : 1551 Max n : 50,000 Date : 2021-10-14

6, 8, 12, 18, 20, 122, 158, 168, 174, 188, 264, 506, 786, 1008, 1104, 1694, 2964, 3938, 4394, 7398, 9404, 9690, 10170, 10800, 14222, 21030

History

• 2021-10-14: Checked to n = 50000, Alexander Jones
• 2011-11-23: Checked to n = 20000, Thomas Ritschel
• 1989: Found n = 9690, John Brown, Landon Curt Noll, Bodo Parady, Gene Smith, Joel Smith, Sergio Zarantonello