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Generalized Cullen primes of the form `n`•222ⁿ+1

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Current data

ASCII format :	n*222^n+1
Base :	222
Count :	10
Max `n` :	25,000
Date :	2025-03-17

1, 7, 8, 41, 209, 369, 1154, 1645, 6353, 10040

History

2025-03-17: Checked n = 10000 - 25000, Norman Luhn
2025-03-17: Found n = 10040, Norman Luhn
2014-12-29: Checked n = 1 - 10000, Maik Gruenewald
2014-12-29: Found n = 6353, Maik Gruenewald
2000-02-05: Found n = 1645, Hans Rosenthal
1989: Found n = 1154, Harvey Dubner

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Cullen prime

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