Q: What are the prime factors of the number 22,272?

 A: 2, 3, 29

Why are those the prime factors of the number 22,272?

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 22,272

22,272
Factor Arrows
211,136
Factor Arrows
25,568
Factor Arrows
22,784
Factor Arrows
21,392
Factor Arrows
2696
Factor Arrows
2348
Factor Arrows
2174
Factor Arrows
287
Factor Arrows
329

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, 29

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 29 = 22,272

This can also be written as 28 x 31 x 291 = 22,272

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 22,272:


Ask a Question