Question

Give the prime factorization of each of the following numbers:
18

Answer 1

We will use the division method as shown below:
$\begin{array}{l}2\overline{)18}\\ 3\overline{)\text{9}}\\ 3\overline{)\text{3}}\\ 1\end{array}$

∴ 18 = 2 × 3 × 3
= 2 × 3²