PFGW Version 3.4.8.64BIT.20110617.Win_Dev [GWNUM 26.6]
Primality testing 23^27679+2 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 17
Running N-1 test using base 31
Running N-1 test using base 41
Running N-1 test using base 47
Running N-1 test using base 53
Running N+1 test using discriminant 61, base 12+sqrt(61)
Calling N+1 BLS with factored part 0.03% and helper 0.02% (0.12% proof)
23^27679+2 is Fermat and Lucas PRP! (257.8698s+0.0015s)

To be completed...