PFGW Version 1.2.0 for Windows [FFT v23.8]

Primality testing (5*10^(5238+13)+2136100021361)*10^(5238+1)+9
[N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N-1 test using base 13
Running N+1 test using discriminant 23, base 3+sqrt(23)
(5*10^(5238+13)+2136100021361)*10^(5238+1)+9 is Fermat and Lucas PRP!

To be completed...