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Generalized Woodall primes of the form `n`•79ⁿ-1

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Revision as of 23:28, 10 October 2024 by Gd barnes (talk | contribs) (check to n=300K & add history)

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Current data

Base :	79
Count :	3
Max `n` :	300,000
Date :	2018-05-07

3024, 13272^[1], 209694

Notes

↑ Riesel 168•79¹³²⁷³-1

History

2018-05-07: Checked n = 200000 - 300000, Steven Harvey
2018-04-15: Found n = 209694, Steven Harvey
2018-04-10: Reserved by Steven Harvey to n = 300000
2014-10-31: Checked n = 40000 - 200000, Maik Gruenewald
2014-03-13: Checked n = 4000 - 25000, Steven Harvey, double-check
2013-10-29: Reserved by Maik Gruenewald to n = 200000
2013-04-18: Checked n = 26000 - 40000, Kimmo Herranen
2012-10-10: Checked to n = 25000, Thomas Ritschel
2010-11-01: Checked n = 78 - 4000, Steven Harvey, double-check
2005-01-03: Checked n = 5000 - 10000, Mark Rodenkirch
2004-12-21: Reserved by Mark Rodenkirch to n = 10000
2004-12-21: Checked n = 78 - 5000, Mark Rodenkirch
2004-12-15: Reserved by Mark Rodenkirch to n = 6000
2004-12-03: Reserved by Mark Rodenkirch to n = 5000
2004-02-17: Checked to n = 26000, Steven Harvey
2002-08-05: Found n = 13272, Steven Harvey
2000-02-15: Found n = 3024, Joe DeMaio

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Woodall prime