The product of a number a and 60 is a complete square number. Find the minimum value of a and the complete square number

The product of a number a and 60 is a complete square number. Find the minimum value of a and the complete square number

60=6*10=2*3*2*5=2²*3*5
If a * 60 is a perfect square number, then
A minimum of 3 * 5 = 15
The perfect square is 15 * 60 = 900