Found with PFGW Version 3.7.5

71^38478+70 is 2-PRP! (30.7470s+0.0022s)
71^38478+70 is 3-PRP! (30.7620s+0.0022s)
71^38478+70 is 5-PRP! (31.8214s+0.0023s)
71^38478+70 is 7-PRP! (30.7070s+0.0022s)
71^38478+70 is 11-PRP! (31.0741s+0.0022s)

Primality testing 71^38478+70 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N+1 test using discriminant 19, base 1+sqrt(19)
Calling N+1 BLS with factored part 0.03% and helper 0.00% (0.10% proof)
71^38478+70 is Fermat and Lucas PRP! (227.3984s+0.0036s)

To be completed...