PFGW Version 1.2.0 for Windows [FFT v23.8]

Primality testing 12177#*10^(12177+3)+p(12177+9)
[N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 19, base 1+sqrt(19)
12177#*10^(12177+3)+p(12177+9) is Fermat and Lucas PRP!

To be completed...