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 4121•2ⁿ-1

From Prime-Wiki

Jump to: navigation, search

Current data

`k` , `b` :	4121 , 2
Count :	24
Nash :	1225
Max `n` :	2,050,000
Date :	2020-03-27

30, 34, 74, 122, 142, 182, 258, 322, 338, 406, 430, 610, 766, 11022, 12694, 12930, 24654, 109182, 255002, 262858, 374226, 1151458, 1318570, 1615478

History

2020-04-11: Speadsheet included, David Metcalfe
2020-03-27: Checked to n = 2050000, David Metcalfe, released
2017-03-27: Checked to n = 2000000, David Metcalfe
2014-08-16: Found n = 1615478, David Metcalfe
2013-09-22: Found n = 1318570, David Metcalfe
2013-01-19: Found n = 1151458, David Metcalfe
2010?: Reserved by David Metcalfe

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_4121&oldid=21477"