Primality testing 2^77760+16737 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 11, base 1+sqrt(11)
Calling N-1 BLS with factored part 0.06% and helper 0.05% (0.22% proof)
2^77760+16737 is Fermat and Lucas PRP! (40.9324s+0.0023s)

To be completed...