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Riesel primes of the form 253•2ⁿ-1

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Reserved! This sequence is currently reserved by: Dmitry Domanov

Current data

`k` , `b` :	253 , 2
Type :	Low
Count :	5
Nash :	185
Max `n` :	6,000,000
Date :	2020-03-11
Reserved :	Dmitry DomanovDmitry Domanov/Reserved

71, 1007, 27623, 1722623, 1965215

History

2020-03-11: Checked to n = 6000000, Dmitry Domanov
2015-05-06: Checked to n = 5000000, Dmitry Domanov
2013-09-30: Checked to n = 4000000, Dmitry Domanov
2013-09-03: Checked to n = 3990000, Dmitry Domanov
2012-12-30: Found n = 1965215, Dmitry Domanov, double-check
2012-09-19: Checked to n = 3000000, Dmitry Domanov
2010-03-14: Reserved by Dmitry Domanov
2007-07-23: Checked n = 1165000-1750000, Predrag Minovic
2007-04-20: Found n = 1722623, Predrag Minovic
2007: Checked to n = 1149000, Jocelyn Larouche
1998-11-26: Found n = 27623, Wilfrid Keller

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