Found with PFGW Version 3.8.0

964^12975-12975^964 is 2-PRP! (27.5314s+0.0093s)
964^12975-12975^964 is 3-PRP! (28.0750s+0.0076s)
964^12975-12975^964 is 5-PRP! (27.0912s+0.0079s)
964^12975-12975^964 is 7-PRP! (31.6483s+0.0119s)
964^12975-12975^964 is 11-PRP! (26.9522s+0.0083s)

Primality testing 964^12975-12975^964 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 7
Running N+1 test using discriminant 13, base 2+sqrt(13)
Calling N-1 BLS with factored part 0.02% and helper 0.02% (0.08% proof)
964^12975-12975^964 is Fermat and Lucas PRP! (190.9648s+0.0083s)

To be completed...