1st PRP for 2^n-195067.

Sieved to P=200G.

Primality testing 2^73435-195067 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 137
Running N+1 test using discriminant 181, base 2+sqrt(181)
Calling N+1 BLS with factored part 0.03% and helper 0.01% (0.10% proof)
2^73435-195067 is Fermat and Lucas PRP! (298.0789s+0.0053s)

To be completed...