Q: What are the prime factors of the number 352,872?

 A: 2, 3, 13, 29

Why are those the prime factors of the number 352,872?

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 352,872

352,872
Factor Arrows
2176,436
Factor Arrows
288,218
Factor Arrows
244,109
Factor Arrows
314,703
Factor Arrows
34,901
Factor Arrows
13377
Factor Arrows
1329

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, 13, 29

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 13 x 13 x 29 = 352,872

This can also be written as 23 x 32 x 132 x 291 = 352,872

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 352,872:


Ask a Question