Find the cube-roots of 8000.

Finding prime factors of 8000:

$\sqrt[3]{8000}\\[1em] = \sqrt[3]{(2 \times 2 \times 2)\times (2 \times 2 \times 2) \times (5 \times 5 \times 5)}\\[1em] = 2 \times 2 \times 5\\[1em] = 20$

Hence, $\sqrt[3]{8000} = 20$