Found with PFGW Version 3.7.5

1198^8715-8715^1198 is 2-PRP! (13.9791s+0.0011s)
1198^8715-8715^1198 is 3-PRP! (13.9758s+0.0011s)
1198^8715-8715^1198 is 5-PRP! (15.8916s+0.0011s)
1198^8715-8715^1198 is 7-PRP! (13.4008s+0.0236s)
1198^8715-8715^1198 is 11-PRP! (13.7397s+0.0011s)

Primality testing 1198^8715-8715^1198 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 8+sqrt(7)
Calling N+1 BLS with factored part 0.02% and helper 0.01% (0.07% proof)
1198^8715-8715^1198 is Fermat and Lucas PRP! (68.1081s+0.0021s)

To be completed...