If the integral coefficients ,
, ...,
of the polynomial
are divisible by a prime number , while the free term
is not divisible by
, then
is irreducible in the natural rationality domain.
If the integral coefficients ,
, ...,
of the polynomial
are divisible by a prime number , while the free term
is not divisible by
, then
is irreducible in the natural rationality domain.
Weisstein, Eric W. "Schönemann's Theorem." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SchoenemannsTheorem.html