Determine the characteristic of R[X]/I.

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Let I be the ideal in $\mathbb{R}[X]$ generated by $p(X)=X^2+2X+3$.

Determine the characteristic of $\mathbb{R}[X]/I$

Am I right in saying the answer is zero as $m(1+I) = m(1)+I \neq 0 $ $\forall m>0$?