1st PRP for 2^n-464411.

Sieved to P=200G.

Primality testing 2^46174-464411 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 131
Running N+1 test using discriminant 149, base 2+sqrt(149)
Calling N-1 BLS with factored part 0.05% and helper 0.02% (0.17% proof)
2^46174-464411 is Fermat and Lucas PRP! (146.8823s+0.0075s)

To be completed...