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Generalized Cullen primes of the form `n`•240ⁿ+1

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Current data

ASCII format :	n*240^n+1
Base :	240
Count :	4
Max `n` :	25,000
Date :	2025-03-18

1^[1], 2, 608, 2847

Notes

↑ Twin n=1

History

2025-03-18: Checked n = 10000 - 25000, Norman Luhn
2014-12-29: Checked n = 1 - 10000, Maik Gruenewald
2014-12-29: Found n = 2847, Maik Gruenewald
1998-06-16: Found n = 608, Henri Lifchitz, Samuli Larvala

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Cullen prime

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