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

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Current data

ASCII format :	n*5^n+1
Base :	5
Count :	2
Max `n` :	379,575
Date :	2018-08-14

1242, 18390^[1]

Notes

↑ Proth 3678•5¹⁸³⁹¹+1

History

1998-11-15: Found n = 18390, Wilfrid Keller

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Cullen prime