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Williams primes of the form 19•20n-1

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Revision as of 12:13, 17 April 2019 by Karbon (talk | contribs) (new)
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Current data

Base : 20
Count : 4
Max n : 20,000
Date : 2019-04-17
1, 219, 223, 3659

History

  • 2019-04-17: Checked to n = 20000, Karsten Bonath
  • ?: Checked to n = 512, Steven Harvey