Primality testing 8946#*10^(8956)+p(8947)
[N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N-1 test using base 11
Running N+1 test using discriminant 23, base 1+sqrt(23)
8946#*10^(8956)+p(8947) is Fermat and Lucas PRP!

To be completed...