Q: What are the prime factors of the number 13,385,757?

 A: 3, 7, 11, 57947

Why are those the prime factors of the number 13,385,757?

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 13,385,757

13,385,757
Factor Arrows
34,461,919
Factor Arrows
7637,417
Factor Arrows
1157,947

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:

3, 7, 11, 57947

We can check our work by multiplying all of the prime factors together: 3 x 7 x 11 x 57,947 = 13,385,757

This can also be written as 31 x 71 x 111 x 57,9471 = 13,385,757

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 13,385,757:


Ask a Question