Question
Find the LCM of the numbers given below:36, 60, 72

Answer

The given numbers are 36, 60 and 72.We have:
$\begin{array}{c|c}2&36,60,72\\\hline2&18,30,36\\\hline3&9,15,18\\\hline3&3,5,6\\\hline5&1,5,2\\\hline2&1,1,2\\\hline&1,1,1\end{array}$
$\therefore$ LCM = 2 × 2 × 2 × 3 × 3 × 5
= 360

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