Question

Find the cube root of $512$ by prime factorisation method.

Answer 1

$512=2\times 2\times 2\times 2\times 2\times 2\times 2\times 2\times 2$
$=2^3\times 2^3\times 2^3$
$\Rightarrow \sqrt[3]{3512}=2\times 2\times 2=8$