Q: What are the prime factors of the number 3,397,380?

 A: 2, 3, 5, 7, 8089

Why are those the prime factors of the number 3,397,380?

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 3,397,380

3,397,380
Factor Arrows
21,698,690
Factor Arrows
2849,345
Factor Arrows
3283,115
Factor Arrows
556,623
Factor Arrows
78,089

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, 5, 7, 8089

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 7 x 8,089 = 3,397,380

This can also be written as 22 x 31 x 51 x 71 x 8,0891 = 3,397,380

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 3,397,380:


Ask a Question