Primality testing Phi(131208,10)/20993281/305714641 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 13
Running N+1 test using discriminant 19, base 6+sqrt(19)
Calling N-1 BLS with factored part 0.02% and helper 0.00% (0.07% proof)
Phi(131208,10)/20993281/305714641 is Fermat and Lucas PRP! (271.0074s+0.2243s)

To be completed...