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Williams primes of the form 27•28n-1

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Revision as of 13:23, 18 April 2019 by Karbon (talk | contribs) (new)
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Current data

Base : 28
Count : 4
Max n : 10,000
Date : 2019-04-18
20, 1091, 5747, 6770

History

  • 2019-04-18: Checked to n = 10000, Karsten Bonath
  • ?: Checked to n = 512, Steven Harvey
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