Found with PFGW Version 3.7.5

1500^9143-9143^1500 is 2-PRP! (14.9742s+0.0022s)
1500^9143-9143^1500 is 3-PRP! (15.1214s+0.0025s)
1500^9143-9143^1500 is 5-PRP! (14.8585s+0.0020s)
1500^9143-9143^1500 is 7-PRP! (14.8128s+0.0024s)
1500^9143-9143^1500 is 11-PRP! (14.8659s+0.0020s)

Primality testing 1500^9143-9143^1500 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 13
Running N+1 test using discriminant 19, base 1+sqrt(19)
Calling N+1 BLS with factored part 0.04% and helper 0.03% (0.14% proof)
1500^9143-9143^1500 is Fermat and Lucas PRP! (81.9160s+0.0026s)

To be completed...