Respuesta :

Hrishii

Answer:

15

Step-by-step explanation:

[tex]240 = 2 \times 2 \times 2 \times 2 \times 3 \times 5 \\ = {2}^{4} \times 15 \\ [/tex]

Here, 15 is not a square number so, 240 should be multiplied by 15 to make 240 as perfect square.

240* 15 = 3600