Riesel primes of the form 12587•2n-1

Current data

k , b : 12587 , 2  (sieve) Type : Low Count : 7 Nash : 591 Max n : 500,000 Date : 2021-10-22

14, 34, 38, 98, 538, 26638, 2462524

Remarks :

Available sieve file: n=500k–2.5M, P=100T, 23869 candidates

History

• 2021-11-11: Sieve file created: n = 500k–2.5M, Alexander Jones, releasing
• 2021-10-22: Checked to n = 500000, Alexander Jones
• 2021-10-11: Reserved by Alexander Jones
• 2021-10-09: Checked to n = 150000, Alexander Jones
• 2021-08-16: Checked to n = 50000, Alexander Jones
• 2017-05-24: Found n = 2462524, Kenneth Egtved Pedersen
• 2011-11-23: Checked to n = 20000, Thomas Ritschel