PFGW Version 1.2.0 for Windows [FFT v23.8]
Output logging to file pfgw.out
Primality testing ((71^(7499)+1)/72) [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 7, base 2+sqrt(7)
Calling N-1 BLS with factored part 0.24% and helper 0.10% (0.82% proof)
((71^(7499)+1)/72) is Fermat and Lucas PRP! (89.6987s+0.1533s)
Done.
To be completed...