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Generalized Cullen primes of the form `n`•256ⁿ+1

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Current data

ASCII format :	n*256^n+1
Base :	256
Count :	6
Max `n` :	650,000
Date :	2021

1, 57, 1641, 2076, 6040, 371400^[1]

Notes

↑ Proth 46425•2^2971203+1

History

2021: Checked to n = 650000, Thomas Ritschel
2018: Checked to n = 400000, Thomas Ritschel
2014-02-10: Found n = 371400, Thomas Ritschel, TOPS

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Cullen prime