PFGW:
Primality testing 94^17599 - 93^17599 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 1+sqrt(7)
Calling N-1 BLS with factored part 0.12% and helper 0.02% (0.38% proof)
94^17599 - 93^17599 is Fermat and Lucas PRP! (406.7879s+0.0113s)

To be completed...