Question

find the least square root which is exactly divisible by 15,8,20 also find its square root​

Answer 1

Answer:

3600

Step-by-step explanation:

LCM of these numbers is 120

Here, prime factors 2, 3 and 5 have no pair. Therefore 120 must be multiplied by 2 x 3 x 5 to make it a perfect square. Hence, the smallest square number which is divisible by 8, 15 and 20 is 3600.

Answer 2

Step-by-step explanation:

L.C.M. of 8, 15 and 20 is 120. Here, prime factors 2, 3 and 5 have no pair. Therefore 120 must be multiplied by 2 x 3 x 5 to make it a perfect square. Hence, the smallest square number which is divisible by 8, 15 and 20 is 3600. And the square root is 60