Question

LCM of 3, 30, 15 and 3

Answer 1

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here is your answer.

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Answer 2

$\begin{lgathered}\begin{array}{r | 1} 3 & 3, 30, 15, 3 \\ \cline{2-2} 5 & 1, 10, 5, 1 \\ \cline{2-2} 2 & 1, 2, 1, 1 \\ \cline{2-2} & 1, 1, 1, 1 \end{array}\end{lgathered}$

LCM = 3 × 5 × 2

= 30

So, LCM of 3, 30, 15 and 3 is 30