Q: What are the prime factors of the number 456,872?

 A: 2, 13, 23, 191

Why are those the prime factors of the number 456,872?

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 456,872

456,872
Factor Arrows
2228,436
Factor Arrows
2114,218
Factor Arrows
257,109
Factor Arrows
134,393
Factor Arrows
23191

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, 13, 23, 191

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 13 x 23 x 191 = 456,872

This can also be written as 23 x 131 x 231 x 1911 = 456,872

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 456,872:


Ask a Question