# What are all the factors of 189?

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The number 189 is a composite number because 189 can be divided by one, by itself and at least by 3 and 7. A composite number is an integer that can be divided by at least another natural number, besides itself and 1, without leaving a remainder (divided exactly).

The factorization or decomposition of 189 = 33•7. Notice that here, it is written in exponential form.

The prime factors of 189 are 3 and 7. It is the list of the integer's prime factors.

The number of prime factors of 189 is 2.

### Factor tree or prime decomposition for 189

As 189 is a composite number, we can draw its factor tree:

Here you can find the answer to questions related to: What are all the factors of 189? or list the factors of 189. By using our online calculator to find the prime factors of any composite number and check if a number is prime or composite. This tool also draws the prime factor tree if the number is factorable and smaller than 16000.

## What is prime number? How to factorize a number?

Watch this video below to learn more on prime numbers, prime factors and how you can draw a factor tree.

You can also find this video about factorization at mathantics.com

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