Primality testing (16*10^16016-19)/3 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 13, base 1+sqrt(13)
Calling N+1 BLS with factored part 1.11% and helper 0.04% (3.36% proof)
(16*10^16016-19)/3 is Fermat and Lucas PRP! (77.7686s+0.0011s)

To be completed...