Q: What are the prime factors of the number 515,268?

 A: 2, 3, 13, 367

Why are those the prime factors of the number 515,268?

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 515,268

515,268
Factor Arrows
2257,634
Factor Arrows
2128,817
Factor Arrows
342,939
Factor Arrows
314,313
Factor Arrows
34,771
Factor Arrows
13367

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, 13, 367

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 13 x 367 = 515,268

This can also be written as 22 x 33 x 131 x 3671 = 515,268

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 515,268:


Ask a Question