Found with PFGW Version 3.6.0

6103^6552-6552^6103 is 2-PRP! (24.3697s+0.0028s)
6103^6552-6552^6103 is 3-PRP! (24.3155s+0.0047s)
6103^6552-6552^6103 is 5-PRP! (24.8827s+0.0048s)
6103^6552-6552^6103 is 7-PRP! (24.3711s+0.0047s)
6103^6552-6552^6103 is 11-PRP! (24.1073s+0.0043s)

Primality testing 6103^6552-6552^6103 [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)
Calling N-1 BLS with factored part 0.07% and helper 0.04% (0.24% proof)
6103^6552-6552^6103 is Fermat and Lucas PRP! (118.8885s+0.0047s)

To be completed...