Question

Find the square root of 36 by prime factorisation.

Answer 1

36 = 3 $\times$ 3 $\times$ 2 $\times$ 2
= $3^2$ $\times$ $2^2$
Hence, <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> $\sqrt{36}$ = 3 $\times$ 2 = 6