Primality testing 702^23717-23717^702 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 11, base 2+sqrt(11)
Calling N+1 BLS with factored part 0.02% and helper 0.01% (0.06% proof)
702^23717-23717^702 is Fermat and Lucas PRP! (194.2567s+0.0025s)

Sieved with xyyxsieve

To be completed...