Found with PFGW Version 3.6.0

76^18282-75 is 2-PRP! (16.8821s+0.0025s)
76^18282-75 is 3-PRP! (16.8448s+0.0037s)
76^18282-75 is 5-PRP! (16.7723s+0.0023s)
76^18282-75 is 7-PRP! (16.7672s+0.0021s)
76^18282-75 is 11-PRP! (16.7947s+0.0022s)

Primality testing 76^18282-75 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 7, base 1+sqrt(7)
Calling N-1 BLS with factored part 0.07% and helper 0.02% (0.23% proof)
76^18282-75 is Fermat and Lucas PRP! (120.9304s+0.0052s)

To be completed...