Primality testing 28332^31535-31535^28332 [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 0.00% (0.03% proof)
28332^31535-31535^28332 is Fermat and Lucas PRP! (756.7682s+0.0043s)

Sieved with xyyxsieve

To be completed...