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Williams primes of the form 39•40ⁿ-1

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Current data

Base :	40
Count :	6
Max n :	10,000
Date :	2019-04-20

1, 19, 218, 767, 2607, 7075

History

2019-04-20: Checked to n = 10000, Karsten Bonath
?: Checked to n = 512, Steven Harvey

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Williams prime MM