Q: What are the prime factors of the number 172,404?

 A: 2, 3, 4789

Why are those the prime factors of the number 172,404?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 172,404

172,404
Factor Arrows
286,202
Factor Arrows
243,101
Factor Arrows
314,367
Factor Arrows
34,789

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 4789

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 4,789 = 172,404

This can also be written as 22 x 32 x 4,7891 = 172,404

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 172,404:


Ask a Question