Quote:
Originally Posted by fivemack
10^10000  10^8668  1 is a pseudoprime; can I assert that it's prime because we've got a very boring factorisation of 86.68% of n+1 ?

Combined Theorem 1 is enough from
https://primes.utm.edu/prove/prove3_3.html
with F1=1, F2=10^8668.