Question

Find the smallest number by which 60 must be multiplied to give a perfect square?

Answer 1

15

Step-by-step explanation:

$60 = 2 {}^{2} \times 3 \times 5$

$perfect \: square \: = 2 {}^{2} \times 3 {}^{2} \times 5 {}^{2}$

Smallest number = 3 x 5 = 15