1st PRP for 2^n-337297.
Sieved to P=200G.
Primality testing 2^195095-337297 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 13
Running N+1 test using discriminant 37, base 1+sqrt(37)
Calling N+1 BLS with factored part 0.02% and helper 0.01% (0.07% proof)
2^195095-337297 is Fermat and Lucas PRP! (1164.0393s+0.0002s)
To be completed...