Proth primes of the form 2ⁿ+1

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.

↑ Cullen 2¹+1
↑ 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
↑ Is GF Divisor of GF(3,3) [+34], Cullen 16¹+1, Near Cullen 2•2³+1
↑ Is GF Divisor of GF(7,3) [+39], Cullen 256¹+1
↑ Is GF Divisor of GF(15,3) [+39], Cullen 65536¹+1