Factors of Numbers

Question

$x$ is a whole number. If the only common factors of $x$ and $x^2$ are $1$ and $x$, then $x$ is ___.

Accepted Answer

D. The common factors of $x$ and $x^2$ are simply all the factors of $x$. If the only factors of $x$ are $1$ and $x$ itself, then by definition $x$ must be a prime number.

Answer

1

Answer

a perfect square

Answer

an odd number

Answer

a prime number

Factors of Numbers

Explanation

Related Number System questions

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