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Generalized Cullen primes of the form `n`•25ⁿ+1

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Reserved! This sequence is currently reserved by: PrimeGrid

Current data

Base :	25
Count :	1
Max `n` :	2,700,000
Date :	2019-09-13
Reserved :	PrimeGridPrimeGrid/Reserved

Notes

↑ Proth 2805222•5^5610444+1, Official announcement

History

2019-09-02: Found n = 2805222, Tom Greer, PrimeGrid

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