Primality testing 2^72576+20515 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 11, base 2+sqrt(11)
Calling N+1 BLS with factored part 0.06% and helper 0.01% (0.19% proof)
2^72576+20515 is Fermat and Lucas PRP! (38.2325s+0.0027s)

To be completed...