Q: What are the prime factors of the number 338,679?

 A: 3, 11, 311

Why are those the prime factors of the number 338,679?

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 338,679

338,679
Factor Arrows
3112,893
Factor Arrows
337,631
Factor Arrows
113,421
Factor Arrows
11311

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:

3, 11, 311

We can check our work by multiplying all of the prime factors together: 3 x 3 x 11 x 11 x 311 = 338,679

This can also be written as 32 x 112 x 3111 = 338,679

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 338,679:


Ask a Question