1st PRP for 31^n-125690

Sieved to P=10G

Primality testing 31^7909-125690 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 7, base 2+sqrt(7)
Calling N-1 BLS with factored part 0.22% and helper 0.07% (0.74% proof)
31^7909-125690 is Fermat and Lucas PRP! (35.1678s+0.0014s)

To be completed...