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 4015•2ⁿ-1

From Prime-Wiki

Jump to: navigation, search

Current data

`k` , `b` :	4015 , 2
Type :	Low
Count :	19
Nash :	998
Max `n` :	2,050,000
Date :	2020-03-27

3, 9, 83, 123, 177, 179, 623, 837, 1523, 1713, 10595, 13257, 137913, 237479, 374199, 492447, 1105883, 1138965, 1875453

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
2014-07-07: Found n = 1875453, David Metcalfe
2013-01-08: Found n = 1138965, David Metcalfe
2012-12-12: Found n = 1105883, David Metcalfe
2010?: Reserved by David Metcalfe

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_4015&oldid=18364"