Primality testing 53^11793-52 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N+1 test using discriminant 41, base 10+sqrt(41)
Calling N-1 BLS with factored part 0.46% and helper 0.03% (1.41% proof)
53^11793-52 is Fermat and Lucas PRP! (752.812000 seconds)

To be completed...