Answer:
Explanation:
First prime factorize the given number. Then find which prime number is not having a pair. Divide with this number and quotient will be a perfect square.
Eg:
18
18 = 2 * 3 *3
Here, 2 is not having a pair. So, divide 18 by 2
18 ÷ 2 = 9
9 is a perfect square