Primality testing (61*10^31631-7)/9 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 17, base 10+sqrt(17)
Calling N+1 BLS with factored part 0.05% and helper 0.02% (0.17% proof)
(61*10^31631-7)/9 is Fermat and Lucas PRP! (1050.3572s+0.0071s)

To be completed...