Primality testing (27484^4201-1)/27483 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N-1 test using base 17
Running N+1 test using discriminant 47, base 1+sqrt(47)
Calling N-1 BLS with factored part 1.15% and helper 0.01% (3.46% proof)
(27484^4201-1)/27483 is Fermat and Lucas PRP! (252.7808s+0.0058s)

To be completed...