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Williams primes of the form 30•31ⁿ-1

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Current data

Base :	31
Count :	13
Max n :	25,000
Date :	2018-03-17

1, 5^[1], 27, 41, 48, 177, 398, 536, 608, 618, 13728, 14393, 14949

Notes

↑ Twin n=5

History

2018-03-17: Checked to n = 25000, Eric Chen
?: Checked to n = 512, Steven Harvey

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Williams prime MM