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

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Current data

ASCII format :	n*25^n+1
Base :	25
Count :	1
Max `n` :	2,809,620
Date :	2019-09

Notes

↑ Proth 2805222•5^5610444+1

History

2019-09: Checked to n = 2809620, PrimeGrid Generalized Cullen Prime Search, released
2019-09-02: Found n = 2805222, Tom Greer, PrimeGrid Generalized Cullen Prime Search, (Official announcement)
?: Checked to n = 999996, PrimeGrid Generalized Cullen Prime Search
?: Checked to n = 315153, (?)

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Cullen prime