Q: What are the prime factors of the number 10,521,603?

 A: 3, 23, 16943

Why are those the prime factors of the number 10,521,603?

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 10,521,603

10,521,603
Factor Arrows
33,507,201
Factor Arrows
31,169,067
Factor Arrows
3389,689
Factor Arrows
2316,943

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, 23, 16943

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 23 x 16,943 = 10,521,603

This can also be written as 33 x 231 x 16,9431 = 10,521,603

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 10,521,603:


Ask a Question