Question

How many prime factors does 120 have?

Answer 1

`120` has three prime factors

Explanation:

`120 = 12 xx 10`
`\ \ \ \ \ = 3 xx 4 xx 2 xx 5`
`\ \ \ \ \ = 3 xx 2 xx 2 xx 2 xx 5`
`\ \ \ \ \ = 2^3 xx 3 xx 5`, all of which are prime

So, there are three prime factors