Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3).
Navigation
Topics Help • Register • News • History • How to • Sequences statistics • Template prototypes

Proth primes of the form 5•6n+1

From Prime-Wiki
Revision as of 23:23, 20 March 2023 by Alex soldier (talk | contribs) (n=880336)
Jump to: navigation, search
Reserved! This sequence is currently reserved by: (Alex_soldier)

Current data

k , b : 5 , 6
Count : 28
Nash : 3529
Max n : 400,000
Date : 2023-03-11
Reserved : (Alex_soldier)(Alex_soldier)/Reserved
1, 2, 4, 17, 136, 147, 203, 590, 754, 964, 970, 1847, 2031, 2727, 2871, 5442, 7035, 7266, 11230, 23307, 27795, 34152, 42614, 127206, 133086, 231128, 235508, 880336
Remarks :
The sequence A247260 in OEIS
See also Williams 5•6n+1

History

  • 2023-03-20: Found n = 880336, (Alex_soldier)
  • 2023-03-16: Checked to n = 400000, (Alex_soldier), results included
  • 2023-03-11: Checked to n = 300000, (Alex_soldier), results included
  • 2023-03-02: Found n = 235508, (Alex_soldier)
  • 2023-03-01: Found n = 231128, (Alex_soldier)
  • 2023-02-22: Checked to n = 200000, (Alex_soldier), double check, results included
  • 2023-02-10: Reserved by (Alex_soldier) for 200000 ≤ n ≤ 1000000
  • 2014-09-10: Checked to n = 200000, Robert Price
Retrieved from "https://www.rieselprime.de/z/index.php?title=Proth_prime_6_5&oldid=27233"