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Williams primes of the form 28•27ⁿ-1

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Revision as of 10:28, 19 September 2024 by Gd barnes (talk | contribs) (correction)

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Reserved! This sequence is currently reserved by: Mark Rodenkirch

Current data

Base :	27
Count :	13
Max n :	25,000
Date :	2024-08-19
Reserved :	Mark RodenkirchMark Rodenkirch/Reserved

2, 4, 6, 8, 46, 56, 79, 571, 1904, 2690, 3559, 4920, 11195

Remarks :

Should be (re)used from Riesel 28•3ⁿ-1.

History

2024-08-19: Reserved by Mark Rodenkirch for n = 2 - 100000
2018-03-17: Checked n = 1 - 25000, Eric Chen
2016: Checked n = 1 - 1000, Mauro Fiorentini

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