# What are the prime factors of 20?

Apr 28, 2016

$2$ x $2$ x $5$ or ${2}^{2}$ x $5$

#### Explanation:

$2$ x $2$ x $5$ or ${2}^{2}$ x $5$

May 12, 2018

$5 \times 2 \times 2$

#### Explanation:

Prime factors refers to its factor in terms of prime numbers ie 2,3,5,7,11 and so on

SO the prime factors of 20:

$20 = 5 \times 4 = 5 \times 2 \times 2$

May 13, 2018

The prime factors of $20$ are $2 \mathmr{and} 5$

$20$ as the product of its prime factors is $2 \times 2 \times 5$

#### Explanation:

The factors of $20$ are:

$1 , \text{ "2," "4," "5," "10," } 20$

The prime factors of $20$ are only $2 \mathmr{and} 5$
These are the factors of $20$ which are prime numbers,

If you want to write $20$ as the product of its prime factors then we will have:

$20 = 2 \times 2 \times 5$

This is also called prime factorisation.