Question

Find the smallest square number that is divisible by each of the numbers 8, 15 and 20.

Answer 1

Answer:

3600

Step-by-step explanation:

LCM (8,15,20)=120

SMALLEST SQUARE WHICH IS A MULTIPLE OF 120 WILL BE THE ANSWER

SO,

120×30=3600

Answer 3600

Answer 2

Answer:

First let's find the LCM of 8,15,and 20.

8=2×2×2

15=3×5

20=2×2×5

So the LCM is 2×2×2×3×5=120

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.

3600 is the right answer