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Generalized Cullen primes of the form `n`•5ⁿ+1

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Revision as of 14:58, 4 May 2023 by Rogue (talk | contribs) (Added reservation)

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Reserved! This sequence is currently reserved by: Mark Rodenkirch

Current data

Base :	5
Count :	2
Max `n` :	379,575
Date :	2023-05-01
Reserved :	Mark RodenkirchMark Rodenkirch/Reserved

1242, 18390^[1]

Notes

↑ Proth 3678•5¹⁸³⁹¹+1

History

2023-05-01: Reserved by Mark Rodenkirch
2023-04-23: Checked n = 2-100000, Mark Rodenkirch,double-checked
1998-11-15: Found n = 18390, Wilfrid Keller

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