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Generalized Cullen primes of the form `n`•512ⁿ+1

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Current data

ASCII format :	n*512^n+1
Base :	512
Count :	3
Max `n` :	600,000
Date :	2021

9, 75, 56271^[1]

Notes

↑ Proth 56271•2⁵⁰⁶⁴³⁹+1

History

2021: Checked to n = 600000, Thomas Ritschel
2018: Checked to n = 300000, Thomas Ritschel
2013-01-04: Found n = 56271, Thomas Ritschel, The Other Prime Search

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Cullen prime