Primality testing 48991#+90023 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 5, base 4+sqrt(5)
Calling N-1 BLS with factored part 0.02% and helper 0.02% (0.09% proof)
48991#+90023 is Fermat and Lucas PRP! (81.3301s+0.0313s)

To be completed...