1st PRP for 2^n-57163.

Sieved to P=200G.

Primality testing 2^50585-57163 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 179
Running N+1 test using discriminant 193, base 2+sqrt(193)
Running N+1 test using discriminant 193, base 9+sqrt(193)
Calling N-1 BLS with factored part 0.04% and helper 0.01% (0.13% proof)
2^50585-57163 is Fermat and Lucas PRP! (286.2987s+0.0078s)

To be completed...