Found with PFGW Version 3.6.0

39^23958-38 is 2-PRP! (18.4712s+0.0029s)
39^23958-38 is 3-PRP! (18.4236s+0.0031s)
39^23958-38 is 5-PRP! (18.4429s+0.0032s)
39^23958-38 is 7-PRP! (18.3862s+0.0027s)
39^23958-38 is 11-PRP! (18.4178s+0.0030s)

Primality testing 39^23958-38 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 5, base 1+sqrt(5)
Calling N-1 BLS with factored part 0.02% and helper 0.02% (0.08% proof)
39^23958-38 is Fermat and Lucas PRP! (138.3669s+0.0033s)

To be completed...