Question

Find the least square number which is exactly divisible by each of the numbers 8,12,15,20.

Answer 1

First find the HCF of the above numbers. It will turn out to be 60. So, the square number must be a multiple of 60. The closest multiple which is a square number is 3600 So the answer is 3600.

Answer 2

3600 .....since the highest common factor is 60 and the square of 60 is 3600....therefore 3600 is the answer