Found with PFGW Version 3.7.5

7473^12290+12290^7473 is 2-PRP! (96.1045s+0.0049s)
7473^12290+12290^7473 is 3-PRP! (89.4440s+0.0046s)
7473^12290+12290^7473 is 5-PRP! (80.9134s+0.0039s)
7473^12290+12290^7473 is 7-PRP! (98.5150s+0.0040s)
7473^12290+12290^7473 is 11-PRP! (84.6014s+0.0041s)

Primality testing 7473^12290+12290^7473 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 11, base 11+sqrt(11)
Calling N-1 BLS with factored part 0.02% and helper 0.01% (0.07% proof)
7473^12290+12290^7473 is Fermat and Lucas PRP! (477.3032s+0.0059s)

To be completed...