PFGW Version 1.2.0 for Windows [FFT v23.8]
Primality testing 11985#*10^(11985+5)+p(11985+5)
[N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 5
Running N+1 test using discriminant 17, base 1+sqrt(17)
11985#*10^(11985+5)+p(11985+5) is Fermat and Lucas PRP!
To be completed...