10^7598 * (10^7598+1) - 7 is 3-PRP! (19.4953s+0.0024s)
10^7598 * (10^7598+1) - 7 is 5-PRP! (19.8371s+0.0024s)
10^7598 * (10^7598+1) - 7 is 7-PRP! (19.9186s+0.0016s)
10^7598 * (10^7598+1) - 7 is 11-PRP! (20.0671s+0.0023s)

Primality testing 10^7598 * (10^7598+1) - 7 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 11, base 1+sqrt(11)
10^7598 * (10^7598+1) - 7 is Fermat and Lucas PRP! (110.1359s+0.0035s)

To be completed...