Primality testing 31^59713-30 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 11
Running N+1 test using discriminant 43, base 12+sqrt(43)
Calling N-1 BLS with factored part 0.12% and helper 0.01% (0.38% proof)
31^59713-30 is Fermat and Lucas PRP! (22448.875000 seconds)

To be completed...