Found with PFGW Version 3.7.5

7431^10928-10928^7431 is 2-PRP! (36.5696s+0.0026s)
7431^10928-10928^7431 is 3-PRP! (37.0747s+0.0026s)
7431^10928-10928^7431 is 5-PRP! (37.2617s+0.0029s)
7431^10928-10928^7431 is 7-PRP! (37.3809s+0.0027s)
7431^10928-10928^7431 is 11-PRP! (37.8501s+0.0028s)

Primality testing 7431^10928-10928^7431 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 11
Running N+1 test using discriminant 17, base 16+sqrt(17)
Calling N-1 BLS with factored part 0.03% and helper 0.01% (0.10% proof)
7431^10928-10928^7431 is Fermat and Lucas PRP! (184.2247s+0.0026s)

To be completed...