Question

find the smallest square number that is divisible by each of the numbers 4,9 and 10

Answer 1

$lcm \: of \: 4,9,10 = 180 \\ multiple \: of \: 180 = 180,360,540,720,900 \\ 900 \: is \: smallest \: no. \: divisible \: by \: 4,9,10$