PFGW Version 1.2.0 for Windows [FFT v23.8]
Primality testing (49*10^19746-31)/9 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 11
Running N+1 test using discriminant 17, base 2+sqrt(17)
(49*10^19746-31)/9 is Fermat and Lucas PRP! (143.4450s+0.0010s)

To be completed...