Let P(n)=n4+n2+1P(n) = n^4 + n^2 + 1P(n)=n4+n2+1. For which set of primes ppp does ppp always divide P(n)P(n)P(n) for some integer nnn?
p=3p = 3p=3
p=7p = 7p=7
p=13p = 13p=13
p=5p = 5p=5