Q: What are the prime factors of the number 22,641,640?

 A: 2, 5, 7, 80863

Why are those the prime factors of the number 22,641,640?

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 22,641,640

22,641,640
Factor Arrows
211,320,820
Factor Arrows
25,660,410
Factor Arrows
22,830,205
Factor Arrows
5566,041
Factor Arrows
780,863

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, 7, 80863

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 80,863 = 22,641,640

This can also be written as 23 x 51 x 71 x 80,8631 = 22,641,640

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 22,641,640:


Ask a Question