Primality testing 2^76800+67617 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 13, base 12+sqrt(13)
Calling N+1 BLS with factored part 0.05% and helper 0.04% (0.21% proof)
2^76800+67617 is Fermat and Lucas PRP! (94.8655s+0.0023s)

To be completed...