Q: What are the prime factors of the number 15,550,164?

 A: 2, 3, 7, 67, 307

Why are those the prime factors of the number 15,550,164?

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 15,550,164

15,550,164
Factor Arrows
27,775,082
Factor Arrows
23,887,541
Factor Arrows
31,295,847
Factor Arrows
3431,949
Factor Arrows
3143,983
Factor Arrows
720,569
Factor Arrows
67307

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, 67, 307

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 67 x 307 = 15,550,164

This can also be written as 22 x 33 x 71 x 671 x 3071 = 15,550,164

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 15,550,164:


Ask a Question