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 31431•2ⁿ-1

From Prime-Wiki

Revision as of 14:08, 19 March 2023 by Happy5214 (talk | contribs) (700k, released)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Jump to: navigation, search

Current data

`k` , `b` :	31431 , 2
Type :	3
Count :	25
Nash :	1616
Max `n` :	700,000
Date :	2023-03-18

1, 7, 41, 49, 73, 517, 599, 977, 1337, 1535, 3037, 4577, 9301, 16942, 17569, 17689, 20063, 33527, 39497, 53149, 57953, 75881, 148054, 321007, 695695

History

2023-03-18: Checked to n = 700000, Alexander Jones, released
2023-02-12: Checked to n = 600000, Alexander Jones
2022-10-21: Checked to n = 500000, Alexander Jones
2022-09-14: Checked to n = 150000, Alexander Jones
2022-09-14: Reserved by Alexander Jones
2020-09-05: Checked to n = 50000, Alexander Jones
2011-11-23: Checked to n = 1007, Gary Barnes
2008-01-19: Found n = 16942, Jean Penné, CRUS Liskovets-Gallot
2006-02-13: Found n = 695695, Giovanni Di Maria

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_31431&oldid=27214"