Riesel primes of the form 12971•2n-1

Current data

k , b : 12971 , 2 Count : 19 Nash : 1252 Max n : 100,000 Date : 2021-10-16

6, 10, 18, 42, 82, 142, 222, 930, 2074, 3910, 11442, 18622, 18934, 24942, 27582, 47226, 47586, 61234, 87306

History

• 2021-10-16: Checked to n = 100000, Alexander Jones
• 2011-11-23: Checked to n = 20000, Thomas Ritschel
• 2000-05-04: Found n = 61234, István Nagy