Primality testing 26618^39149-39149^26618 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
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 0.01% and helper 0.00% (0.03% proof)
26618^39149-39149^26618 is Fermat and Lucas PRP! (2545.6960s+0.0036s)

Sieved with xyyxsieve

To be completed...