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Proth primes of the form 2n+1

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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, 2[1], 4[2], 8[3], 16[4]
Remarks :
These n-values form the Fermat primes.

Notes

  1. ↑ Is GF Divisor of xGF(1,4,3) [+15], Twin n=2, Near Cullen 2•21+1, Near Cullen 1•22+1
  2. ↑ Is GF Divisor of GF(3,3) [+34], Near Cullen 2•23+1
  3. ↑ Is GF Divisor of GF(7,3) [+39]
  4. ↑ Is GF Divisor of GF(15,3) [+39]
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