Found with PFGW Version 3.7.5

1448^10549-10549^1448 is 2-PRP! (22.0155s+0.0011s)
1448^10549-10549^1448 is 3-PRP! (21.6914s+0.0012s)
1448^10549-10549^1448 is 5-PRP! (22.0283s+0.0012s)
1448^10549-10549^1448 is 7-PRP! (21.4655s+0.0013s)
1448^10549-10549^1448 is 11-PRP! (21.5467s+0.0011s)

Primality testing 1448^10549-10549^1448 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 13, base 2+sqrt(13)
Calling N+1 BLS with factored part 0.03% and helper 0.01% (0.10% proof)
1448^10549-10549^1448 is Fermat and Lucas PRP! (105.7938s+0.0021s)

To be completed...