Found with PFGW Version 3.7.5

1948^8523-8523^1948 is 2-PRP! (14.8690s+0.0010s)
1948^8523-8523^1948 is 3-PRP! (14.7509s+0.0011s)
1948^8523-8523^1948 is 5-PRP! (14.7779s+0.0012s)
1948^8523-8523^1948 is 7-PRP! (14.6590s+0.0011s)
1948^8523-8523^1948 is 11-PRP! (14.8680s+0.0011s)

Primality testing 1948^8523-8523^1948 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 10+sqrt(7)
Calling N+1 BLS with factored part 0.03% and helper 0.01% (0.10% proof)
1948^8523-8523^1948 is Fermat and Lucas PRP! (73.3344s+0.0019s)

To be completed...