PFGW Version 1.2.0 for Windows [FFT v23.8]
Primality testing (77*10^23771-23)/9 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N-1 test using base 7
Running N-1 test using base 11
Running N+1 test using discriminant 19, base 2+sqrt(19)
(77*10^23771-23)/9 is Fermat and Lucas PRP! (275.4962s+0.0012s)

To be completed...