1st PRP for 2^n-272099.
Sieved to P=200G.
Primality testing 2^36996-272099 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N+1 test using discriminant 13, base 1+sqrt(13)
Calling N+1 BLS with factored part 0.11% and helper 0.03% (0.36% proof)
2^36996-272099 is Fermat and Lucas PRP! (58.7835s+0.0064s)
To be completed...