Found with PFGW Version 3.6.0

2847^4466-4466^2847 is 2-PRP! (10.2796s+0.0023s)
2847^4466-4466^2847 is 3-PRP! (10.5124s+0.0007s)
2847^4466-4466^2847 is 5-PRP! (10.5574s+0.0007s)
2847^4466-4466^2847 is 7-PRP! (10.5285s+0.0007s)
2847^4466-4466^2847 is 11-PRP! (10.5367s+0.0007s)

Primality testing 2847^4466-4466^2847 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 13, base 6+sqrt(13)
Calling N+1 BLS with factored part 0.11% and helper 0.06% (0.39% proof)
2847^4466-4466^2847 is Fermat and Lucas PRP! (50.1845s+0.0022s)

To be completed...