Found with PFGW Version 3.6.0

1446^4193-4193^1446 is 2-PRP! (6.8369s+0.0018s)
1446^4193-4193^1446 is 3-PRP! (6.9134s+0.0018s)
1446^4193-4193^1446 is 5-PRP! (6.8330s+0.0017s)
1446^4193-4193^1446 is 7-PRP! (6.8182s+0.0018s)
1446^4193-4193^1446 is 11-PRP! (6.8182s+0.0019s)

Primality testing 1446^4193-4193^1446 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 17, base 1+sqrt(17)
Calling N-1 BLS with factored part 0.08% and helper 0.08% (0.33% proof)
1446^4193-4193^1446 is Fermat and Lucas PRP! (37.3785s+0.0031s)

To be completed...