1st PRP for 2^n-96581.

Sieved to P=200G.

Primality testing 2^75822-96581 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 127
Running N+1 test using discriminant 149, base 1+sqrt(149)
Running N+1 test using discriminant 149, base 2+sqrt(149)
Calling N+1 BLS with factored part 0.03% and helper 0.02% (0.10% proof)
2^75822-96581 is Fermat and Lucas PRP! (720.8951s+0.0072s)

To be completed...