Question

Find the greatest number which is exactly divisible by each of the number 8,12,15,20

Answer 1

Answer:

first let's take the LCM of 8,12,15,20.here is 2,3,5 are not in pair we need to pairs for smallest square number. 120×2×3×5=3600 hence the number is 2×2×2×2×3×3×5×5=3600.