Q: What are the prime factors of the number 86,672?

 A: 2, 5417

Why are those the prime factors of the number 86,672?

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 86,672

86,672
Factor Arrows
243,336
Factor Arrows
221,668
Factor Arrows
210,834
Factor Arrows
25,417

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, 5417

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5,417 = 86,672

This can also be written as 24 x 5,4171 = 86,672

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 86,672:


Ask a Question