Primality testing 27134^33509-33509^27134 [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 base 7
Running N+1 test using discriminant 19, base 1+sqrt(19)
Calling N+1 BLS with factored part 0.01% and helper 0.00% (0.02% proof)
27134^33509-33509^27134 is Fermat and Lucas PRP! (1598.1846s+0.0034s)

Sieved with xyyxsieve

To be completed...