Question

Prime factors of $231$.

Answer 1

Step 1. Determine the prime factor of $231$.

A prime number is one that only has two factors: one and the number itself.
Finding which prime numbers multiply to produce the original number is known as "prime factorization."

$\begin{array}{rcl}231& =& 3\times 77\\ & =& 3\times 7\times 11\end{array}$

Hence, the prime factor of $231$ are $3,7\mathrm{and}11$.