Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3).

Navigation

Topics

Help • Register • News • History • How to • Sequences statistics • Template prototypes

Riesel primes of the form 11257•2ⁿ-1

From Prime-Wiki

Jump to: navigation, search

Current data

`k` , `b` :	11257 , 2
Type :	Low
Count :	13
Nash :	983
Max `n` :	50,000
Date :	2021-10-14

5, 25, 41, 137, 149, 217, 769, 841, 1085, 1121, 2285, 2417, 9689

History

2021-10-14: Checked to n = 50000, Alexander Jones
2011-11-23: Checked to n = 20000, Thomas Ritschel
1989: Found n = 9689, John Brown, Landon Curt Noll, Bodo Parady, Gene Smith, Joel Smith, Sergio Zarantonello

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_11257&oldid=24924"