Primality testing 31815^32332-32332^31815 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 11, base 1+sqrt(11)
Calling N-1 BLS with factored part 0.01% and helper 0.01% (0.03% proof)
31815^32332-32332^31815 is Fermat and Lucas PRP! (816.3372s+0.0030s)

Sieved with xyyxsieve

To be completed...