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 15639•2ⁿ-1

From Prime-Wiki

Jump to: navigation, search

Current data

`k` , `b` :	15639 , 2
Type :	3
Count :	20
Nash :	1781
Max `n` :	100,000
Date :	2022-03-28

1, 19^[1], 31, 133, 349, 355, 403, 583, 853, 1019, 1211, 1981, 2143, 3583, 10739, 16169, 45983, 53071, 66328, 77329

Notes

↑ Twin n=19

History

2022-03-28: Checked to n = 100000, Alexander Jones
2008-01-19: Found n = 66328, Jean Penné, CRUS Liskovets-Gallot

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_15639&oldid=25513"