Found with PFGW Version 3.7.5

3470^8151-8151^3470 is 2-PRP! (33.3456s+0.0024s)
3470^8151-8151^3470 is 3-PRP! (33.9878s+0.0037s)
3470^8151-8151^3470 is 5-PRP! (31.7384s+0.0023s)
3470^8151-8151^3470 is 7-PRP! (31.9062s+0.0022s)
3470^8151-8151^3470 is 11-PRP! (34.2602s+0.0040s)

Primality testing 3470^8151-8151^3470 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N+1 test using discriminant 17, base 1+sqrt(17)
Calling N+1 BLS with factored part 0.05% and helper 0.00% (0.15% proof)
3470^8151-8151^3470 is Fermat and Lucas PRP! (172.6202s+0.0046s)

To be completed...