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 60205•2ⁿ-1

From Prime-Wiki

Jump to: navigation, search

Current data

`k` , `b` :	60205 , 2
Count :	21
Nash :	1369
Max `n` :	50,000
Date :	2020-09-12

3, 7, 27, 33, 577, 1635, 1841, 1855, 1977, 2153, 2393, 2751, 8011, 11271, 16795, 24631, 25361, 32511, 36793, 49385, 782665^[1]

Notes

↑ Woodall 60205•8192⁶⁰²⁰⁵-1

History

2020-09-12: Checked to n = 50000, Alexander Jones
2011-11-23: Checked to n = 1007, Gary Barnes
2009-04-07: Found n = 782665, Steven Harvey

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_60205&oldid=20764"