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Williams primes of the form 4•5n-1

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Revision as of 11:00, 16 April 2019 by Karbon (talk | contribs)
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Current data

Base : 5
Count : 20
Max n : 1,000,000
Date : 2019-04-04
1, 3, 9, 13, 15, 25, 39, 69, 165, 171, 209, 339, 2033, 6583, 15393, 282989, 498483, 504221, 754611, 864751

History

  • 2019-04-04: Checked to n = 1,000,000, Karsten Bonath
  • 2019-02-23: Found n = 864751, Karsten Bonath
  • 2019-01-27: Found n = 754611, Karsten Bonath
  • 2018-12-24: Found n = 504221, Karsten Bonath
  • 2018-12-23: Found n = 498483, Karsten Bonath
  • 2018-12-06: Checked to n = 1 - 321000, found n = 282989, Karsten Bonath
  • 2007-12-20: Checked to n = 200000, Geoff Reynolds
  • 2007-07-13: Checked to n = 110000, Geoff Reynolds
  • 2006-09-22: Checked to n = 100000, Geoff Reynolds
  • 2006-07-19: Checked to n = 50000, antiroach
  • 2006-07-17: Found n = 15393, antiroach
  • 1981: Checked to n = 500, found n = 1 ... 339, H. C. Williams

External links

Retrieved from "https://www.rieselprime.de/z/index.php?title=Williams_prime_MM_5&oldid=2031"