1st PRP for 2^n-458741.

Sieved to P=200G.

Primality testing 2^37698-458741 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 13
Running N+1 test using discriminant 29, base 1+sqrt(29)
Running N+1 test using discriminant 29, base 2+sqrt(29)
Calling N+1 BLS with factored part 0.15% and helper 0.00% (0.46% proof)
2^37698-458741 is Fermat and Lucas PRP! (132.1333s+0.0074s)

To be completed...