Question
Fill in the blank. The smallest square number exactly divisible by $2, 4, 6$ is _______.

Answer

$LCM$ of $2,4$ and $6$ is $12.$ Prime factorisation of $12 = 2 \times 2 \times 3$ To make it a perfect square, we need to multiply it by $3.$
$\therefore 12 \times 3 = 36$

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