Found with PFGW Version 3.7.5

2633^9126-9126^2633 is 2-PRP! (18.2201s+0.0014s)
2633^9126-9126^2633 is 3-PRP! (17.2444s+0.0015s)
2633^9126-9126^2633 is 5-PRP! (17.2092s+0.0016s)
2633^9126-9126^2633 is 7-PRP! (17.1773s+0.0015s)
2633^9126-9126^2633 is 11-PRP! (17.2038s+0.0015s)

Primality testing 2633^9126-9126^2633 [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 0.02% and helper 0.01% (0.06% proof)
2633^9126-9126^2633 is Fermat and Lucas PRP! (102.6153s+0.0022s)

To be completed...