Found with PFGW Version 3.8.0

7448^11147-11147^7448 is 2-PRP! (36.6584s+0.0043s)
7448^11147-11147^7448 is 3-PRP! (36.9718s+0.0046s)
7448^11147-11147^7448 is 5-PRP! (37.9217s+0.0040s)
7448^11147-11147^7448 is 7-PRP! (37.2671s+0.0042s)
7448^11147-11147^7448 is 11-PRP! (37.4225s+0.0042s)

Primality testing 7448^11147-11147^7448 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 11, base 1+sqrt(11)
Calling N+1 BLS with factored part 0.01% and helper 0.01% (0.04% proof)
7448^11147-11147^7448 is Fermat and Lucas PRP! (181.1176s+0.0061s)

To be completed...