Primality testing 47981#+50363 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 5, base 5+sqrt(5)
Calling N-1 BLS with factored part 0.04% and helper 0.02% (0.15% proof)
47981#+50363 is Fermat and Lucas PRP! (79.5702s+0.0312s)

To be completed...