Q: What are the prime factors of the number 22,160,790?

 A: 2, 3, 5, 109, 251

Why are those the prime factors of the number 22,160,790?

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 22,160,790

22,160,790
Factor Arrows
211,080,395
Factor Arrows
33,693,465
Factor Arrows
31,231,155
Factor Arrows
3410,385
Factor Arrows
3136,795
Factor Arrows
527,359
Factor Arrows
109251

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, 109, 251

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 5 x 109 x 251 = 22,160,790

This can also be written as 21 x 34 x 51 x 1091 x 2511 = 22,160,790

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 22,160,790:


Ask a Question