Question

Find the prime factors of the following numbers. Express each number a product of prime numbers, using indices when needed.

$12,64,72,80,144$

Answer 1

$12=2\times 2\times 3$

$64=2\times 2\times 2\times 2\times 2\times 2$

$72=2\times 2\times 2\times 3\times 3$

$80=2\times 2\times 2\times 2\times 5$

$144=2\times 2\times 2\times 2\times 3\times 3$