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 393•2ⁿ-1

From Prime-Wiki

Revision as of 23:39, 26 July 2021 by Gd barnes (talk | contribs) (add base)

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

Jump to: navigation, search

Current data

`k` , `b` :	393 , 2
Type :	3
Count :	30
Nash :	1827
Max `n` :	2,000,000
Date :	2014-08-20

2, 4, 14, 59, 112, 118, 146, 235, 424, 478, 712, 742, 2494, 2611, 3082, 3466, 5102, 8866, 28480, 47080, 51892, 95882, 128584, 138662, 146440, 169646, 185584, 1095688, 1297402, 1583890

History

2014-08-20: Checked to n = 2000000, NPLB Mini Drive 5, released
2014-05-20: Found n = 1583890, Timothy Sorbera
2013-08-17: Reserved by NPLB Mini Drive 5, for 1300000<n<2000000
2011-01-20: Checked to n = 1300000, Ian M. Gunn, released
2011-01-17: Found n = 1297402, Ian M. Gunn
2010-12-11: Found n = 1095688, Ian M. Gunn
2010-09-01: Reserved by Ian M. Gunn, for 1000000<n<1300000
2009-03-28: Checked to n = 1000000, Ian M. Gunn, released
2009-03-20: Checked to n = 985000, Ian M. Gunn
2009-03-10: Checked to n = 780000, Ian M. Gunn
2009-02-04: Reserved by Ian M. Gunn for 600000<n<1000000
2008-11-10: Checked to n = 600000, NPLB Drive 3, released
2008-03-01: Reserved by NPLB Drive 3, for 260000<n<600000
2002-08-02: Found n = 185584, Peter O'braian
2002-07-27: Found n = 169646, Peter O'braian
2002-07-27: Found n = 146440, Peter O'braian
2002-04-30: Found n = 138662, Peter O'braian
2002-04-29: Found n = 128584, Peter O'braian
2001-03-18: Found n = 95882, Kimmo Herranen

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_393&oldid=18292"