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Williams primes of the form 12•13ⁿ+1

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Current data

Base :	13
Count :	18
Max n :	100,000
Date :	2020-09-29

1, 2, 4, 21, 34, 48, 53, 160, 198, 417, 773, 1220, 5361, 6138, 15557, 18098, 30580, 75198

History

2020-09-29: Checked to n = 100000, Paul Vanderveen
2018-03-26: Checked to n = 25000, Eric Chen
2016: Checked to n = 1000, Mauro Fiorentini
1999-07-29: Found n = 18098, Chris Caldwell
1999-04-26: Found n = 15557, Chris Caldwell
1998-12-15: Found n = 6138, Chris Caldwell

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Williams prime MP