Primality testing 31134^32111-32111^31134 [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 0.01% and helper 0.01% (0.03% proof)
31134^32111-32111^31134 is Fermat and Lucas PRP! (794.6826s+0.0034s)

Sieved with xyyxsieve

To be completed...