Question

find the smallest square number divisble by each number 3,5,12​

Answer 1

$3 = 3 \times 1 \\ \\ 5 = 5 \times 1 \\ \\ 12 = 2 \times 2 \times 3 \\ \\ lcm = {2}^{2} \times 5 \times 3 \\ \\ = 4 \times 15 \\ \\ = 60 \: \: \: \: \:$