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Williams primes of the form 41•40ⁿ-1

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Current data

Base :	40
Count :	8
Max n :	10,000
Date :	2019-04-23

2, 4, 10, 88, 134, 644, 712, 8026

History

2019-04-23: Checked to n = 10000, Karsten Bonath
2016: Checked to n = 1000, Mauro Fiorentini

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Williams prime PM