Q: What are the prime factors of the number 15,904,460?

 A: 2, 5, 11, 13, 67, 83

Why are those the prime factors of the number 15,904,460?

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 15,904,460

15,904,460
Factor Arrows
27,952,230
Factor Arrows
23,976,115
Factor Arrows
5795,223
Factor Arrows
1172,293
Factor Arrows
135,561
Factor Arrows
6783

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, 5, 11, 13, 67, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 13 x 67 x 83 = 15,904,460

This can also be written as 22 x 51 x 111 x 131 x 671 x 831 = 15,904,460

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 15,904,460:


Ask a Question