1st PRP for 2^n-87959.
Sieved to P=200G.
Primality testing 2^180124-87959 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 149
Running N+1 test using discriminant 167, base 6+sqrt(167)
Calling N+1 BLS with factored part 0.02% and helper 0.01% (0.07% proof)
2^180124-87959 is Fermat and Lucas PRP! (3567.1360s+0.0061s)
To be completed...