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 2n+1

From Prime-Wiki
Jump to: navigation, search
Reserved! This sequence is currently reserved by: FermatSearch

Current data

k , b : 1 , 2
Type : Low
Count : 5
Nash : 39
Max n : 8,589,934,591
Date : 2010-10-01
Reserved : FermatSearchFermatSearch/Reserved
1[1], 2[2], 4[3], 8[4], 16[5]
Remarks :
These n-values form the Fermat primes.

Notes

  1. ↑ Cullen 21+1
  2. ↑ Is GF Divisor of xGF(1,4,3) [+15], Twin n=2, Cullen 41+1, Near Cullen 1•22+1, Near Cullen 2•21+1
  3. ↑ Is GF Divisor of GF(3,3) [+34], Cullen 161+1, Near Cullen 2•23+1
  4. ↑ Is GF Divisor of GF(7,3) [+39], Cullen 2561+1
  5. ↑ Is GF Divisor of GF(15,3) [+39], Cullen 655361+1
Retrieved from "https://www.rieselprime.de/z/index.php?title=Proth_prime_2_1&oldid=35585"