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Example 1:
$$ \textup{Express } 300 \textup{ in prime factors.}$$
Solution:
$$
\begin{array}{|l}
\llap{2~~~~} 300\\ \hline
\llap{2~~~~} 150 \\ \hline
\llap{3~~~~} 75 \\ \hline
\llap{5~~~~} 25 \\ \hline
\llap{5~~~~} 5 \\ \hline
1
\end{array}
$$
$$ 300=2×2×3×5×5$$
$$ 300=2^2×3×5^2$$
Worksheet 1