Q: What are the prime factors of the number 431,676?

 A: 2, 3, 7, 571

Why are those the prime factors of the number 431,676?

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 431,676

431,676
Factor Arrows
2215,838
Factor Arrows
2107,919
Factor Arrows
335,973
Factor Arrows
311,991
Factor Arrows
33,997
Factor Arrows
7571

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, 7, 571

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 7 x 571 = 431,676

This can also be written as 22 x 33 x 71 x 5711 = 431,676

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 431,676:


Ask a Question