Found with PFGW Version 3.6.0

1250^4903-4903^1250 is 2-PRP! (10.3859s+0.0036s)
1250^4903-4903^1250 is 3-PRP! (10.3547s+0.0037s)
1250^4903-4903^1250 is 5-PRP! (10.3278s+0.0020s)
1250^4903-4903^1250 is 7-PRP! (10.3397s+0.0020s)
1250^4903-4903^1250 is 11-PRP! (10.3612s+0.0019s)

Primality testing 1250^4903-4903^1250 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 6+sqrt(7)
Calling N-1 BLS with factored part 0.08% and helper 0.01% (0.25% proof)
1250^4903-4903^1250 is Fermat and Lucas PRP! (48.9552s+0.0043s)

To be completed...