Question

Smallest square number that is divisible by 8 15 and20

Answer 1

Factors of 8, 15, 20 = 2 x 2 x 2 x 3 x 5

So 2 x 2 x 2 x 2 x 3 x 3 x 5 x 5 = 3600 is the square number that is divisible by 8,15,and 20