Primality testing 47^47667-46 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 11, base 1+sqrt(11)
Calling N-1 BLS with factored part 0.01% and helper 0.01% (0.05% proof)
47^47667-46 is Fermat and Lucas PRP! (15826.031000 seconds)

To be completed...