Q: What are the prime factors of the number 256,513,648?

 A: 2, 3331, 4813

Why are those the prime factors of the number 256,513,648?

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 256,513,648

256,513,648
Factor Arrows
2128,256,824
Factor Arrows
264,128,412
Factor Arrows
232,064,206
Factor Arrows
216,032,103
Factor Arrows
3,3314,813

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, 3331, 4813

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3,331 x 4,813 = 256,513,648

This can also be written as 24 x 3,3311 x 4,8131 = 256,513,648

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 256,513,648:


Ask a Question