Question

Find the smallest number by which 180 must be multiplied so that the product is a perfect square.

Answer 1

Answer: the smallest number by which 180 must be multiplied so that the product is a perfect square is 5.

VERIFICATION..

180 x 5 = 900

Root 900 = 30..

So the ans. is 5.

Answer 2

Answer:

Here's your answer:

Step-by-step explanation:

By prime factorisation

2   180

2   90

3   45

3   15

5   5

1

5 is left unpaired ...

So 5 is the smallest number...

180×5=900

Hope it helps you!!!