Evaluate:

$\sqrt[3]{3375}$

By prime factorisation:

$3375=3 \times 3 \times 3 \times 5 \times 5 \times 5$

$=(3 \times 3 \times 3) \times(5 \times 5 \times 5)$

$\therefore \sqrt[3]{3375}=(3 \times 5)=15$