Question

Find the least square no. exactly divisible by each one of the numbers 8,12,15,20

Answer 1

Answer:

First let's find the LCM of 8,12,15,and 20. Here is 2,3,5, are not in pairs, we need to in pairs for smallest square number. 120×2×3×5=120×30=3600. Hence the number is 2×2×2×2×3×3×5×5=3600.