Question
Find the $LCM$ of the numbers given below: $42, 63$
✓
Answer
The given numbers are $42$ and $63.$ We have:
$\begin{array}{c|c}7&42,63\\\hline3&6,9\\\hline3&2,3\\\hline2&2,1\\\hline&1,1\end{array}$
$\therefore LCM = 7 × 3 × 3 × 2 × 1$
$= 126$
$\begin{array}{c|c}7&42,63\\\hline3&6,9\\\hline3&2,3\\\hline2&2,1\\\hline&1,1\end{array}$
$\therefore LCM = 7 × 3 × 3 × 2 × 1$
$= 126$
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