Question

Find the smallest square numbers which is divisible by each of the numbers $6,9$ and $15$

Answer 1

To get the smallest number divided by $6,9,15$

$LCM$ of given number $=3\times 2\times 3\times 5=90$

To get the smallest square number $=3\times 3\times 2\times 2\times 5\times 5=900.$