PFGW Version 1.2.0 for Windows [FFT v23.8]

Primality testing 15263#*10^(15263+39)+p(15263+7)
[N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 5, base 5+sqrt(5)
Running N+1 test using discriminant 5, base 6+sqrt(5)
Running N+1 test using discriminant 5, base 9+sqrt(5)
Running N+1 test using discriminant 5, base 11+sqrt(5)
15263#*10^(15263+39)+p(15263+7) is Fermat and Lucas PRP!

To be completed...