PFGW:
Primality testing 10^100000+3938473 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 19, base 3+sqrt(19)
Calling N-1 BLS with factored part 0.01% and helper 0.00% (0.03% proof)
10^100000+3938473 is Fermat and Lucas PRP! (3441.6164s+0.0110s)

Primality testing 10^100000+3979761 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N-1 test using base 11
Running N-1 test using base 17
Running N-1 test using base 31
Running N+1 test using discriminant 41, base 2+sqrt(41)
Calling N+1 BLS with factored part 0.01% and helper 0.01% (0.03% proof)
10^100000+3979761 is Fermat and Lucas PRP! (5184.8940s+0.0043s)

To be completed...