Found with PFGW Version 3.6.0

1574^4461-4461^1574 is 2-PRP! (9.4107s+0.0020s)
1574^4461-4461^1574 is 3-PRP! (9.7361s+0.0017s)
1574^4461-4461^1574 is 5-PRP! (9.7027s+0.0038s)
1574^4461-4461^1574 is 7-PRP! (9.7237s+0.0021s)
1574^4461-4461^1574 is 11-PRP! (9.7443s+0.0017s)

Primality testing 1574^4461-4461^1574 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 11, base 3+sqrt(11)
Calling N-1 BLS with factored part 0.04% and helper 0.01% (0.14% proof)
1574^4461-4461^1574 is Fermat and Lucas PRP! (45.7747s+0.0032s)

To be completed...