Primality testing 30137^30860-30860^30137 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 13, base 1+sqrt(13)
Calling N-1 BLS with factored part 0.00% and helper 0.00% (0.02% proof)
30137^30860-30860^30137 is Fermat and Lucas PRP! (655.6698s+0.0022s)

Sieved with xyyxsieve

To be completed...