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Williams primes of the form 6•7n-1

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Current data

Base : 7
Count : 21
Max n : 200,000
Date : 2019-04-16
1, 2, 7, 18, 55, 69, 87, 119, 141, 189, 249, 354, 1586, 2135, 2865, 2930, 4214, 7167, 67485, 74402, 79326

History

  • 2015-11-13: Checked to n = 200000, Robert Price
  • 2008-11-26: Found n = 67485 ... 79326, Donovan Johnson
  • 2006-06-05: Found n = 7167, Ryan Propper
  • 2003-01-17: Found n = 4214, Robert G. Wilson
  • 2001-07-21: Found n = 2930, Jason Earls

External links

Retrieved from "https://www.rieselprime.de/z/index.php?title=Williams_prime_MM_7&oldid=2015"