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 245•2ⁿ-1

From Prime-Wiki

Revision as of 09:01, 19 July 2021 by Karbon (talk | contribs) (base)

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

Jump to: navigation, search

Current data

`k` , `b` :	245 , 2
Count :	25
Nash :	1419
Max `n` :	2,300,000
Date :	2015-05-05

4, 6, 28, 76, 96, 124, 294, 396, 726, 868, 928, 1400, 3056, 6594, 12588, 15708, 88576, 144288, 238468, 606706, 619938, 943088, 1367128, 1407538, 1730188

History

2015-05-05: Checked to n = 2300000, Michael Curtis, released
2015-04-01: Checked to n = 2080000, Michael Curtis
2014-12-24: Checked to n = 2000000, Michael Curtis
2014-10-06: Found n = 1730188, Michael Curtis
2014-10-05: Found n = 1407538, Michael Curtis
2013-06-11: Checked to n = 1400000, Michael Curtis
2011-06-02: Checked to n = 1400000, Michael Curtis
2011-04-08: Checked to n = 1290000, Michael Curtis
2011-03-14: Found n = 1367128, Michael Curtis
2011-02-06: Checked to n = 1220000, Michael Curtis
2010-10-28: none, Michael Curtis
2010-01-24: Checked to n = 1000000, Michael Curtis
2010-01-12: Checked to n = 950000, Michael Curtis
2009-12-11: Found n = 943088, Michael Curtis
2009-10-14: ~1000000, Michael Curtis
2009-09-01: Checked to n = 806000, Michael Curtis
2009-02-13: Checked to n = 800000, Michael Curtis
2008-07-14: Checked to n = 700000, Michael Curtis
2008-01-07: Reserved by Michael Curtis
2008-01-06: Checked to n = 640000, Borys Jaworski
2007-12-16: Found n = 619938, Borys Jaworski
2007-11-15: Found n = 606706, Borys Jaworski
2007-10-01: Reserved by Borys Jaworski
2005-11-26: Found n = 238468, Shusuke Kubota

Retrieved from "https://www.rieselprime.de/z/index.php?title=Riesel_prime_2_245&oldid=16441"