PFGW Version 1.2.0 for Windows [FFT v23.8]
Primality testing 10^26842+191919
[N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 7
Running N+1 test using discriminant 19, base 1+sqrt(19)
10^26842+191919 is Fermat and Lucas PRP! (609.7818s+0.2941s)
To be completed...