Q: What are the prime factors of the number 225,055,456?

 A: 2, 19, 139, 2663

Why are those the prime factors of the number 225,055,456?

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 225,055,456

225,055,456
Factor Arrows
2112,527,728
Factor Arrows
256,263,864
Factor Arrows
228,131,932
Factor Arrows
214,065,966
Factor Arrows
27,032,983
Factor Arrows
19370,157
Factor Arrows
1392,663

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, 19, 139, 2663

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 19 x 139 x 2,663 = 225,055,456

This can also be written as 25 x 191 x 1391 x 2,6631 = 225,055,456

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 225,055,456:


Ask a Question