Found with PFGW Version 3.4.8

2448^3053-3053^2448 is 2-PRP! (10.0999s+0.0075s)
2448^3053-3053^2448 is 3-PRP! (16.3618s+0.0045s)
2448^3053-3053^2448 is 5-PRP! (22.5040s+0.0059s)
2448^3053-3053^2448 is 7-PRP! (23.3828s+0.0046s)
2448^3053-3053^2448 is 11-PRP! (24.2884s+0.0110s)

Primality testing 2448^3053-3053^2448 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 11, base 3+sqrt(11)
Calling N+1 BLS with factored part 0.10% and helper 0.00% (0.32% proof)
2448^3053-3053^2448 is Fermat and Lucas PRP! (122.0738s+0.0135s)

To be completed...