Found with PFGW Version 3.7.5

2455^7482-7482^2455 is 2-PRP! (20.1364s+0.0009s)
2455^7482-7482^2455 is 3-PRP! (21.4219s+0.0009s)
2455^7482-7482^2455 is 5-PRP! (17.6934s+0.0013s)
2455^7482-7482^2455 is 7-PRP! (17.1447s+0.0015s)
2455^7482-7482^2455 is 11-PRP! (20.2309s+0.0010s)

Primality testing 2455^7482-7482^2455 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 13, base 8+sqrt(13)
Calling N+1 BLS with factored part 0.03% and helper 0.03% (0.13% proof)
2455^7482-7482^2455 is Fermat and Lucas PRP! (119.6405s+0.0038s)

To be completed...