Q: What are the prime factors of the number 15,018,188?

 A: 2, 1597, 2351

Why are those the prime factors of the number 15,018,188?

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 15,018,188

15,018,188
Factor Arrows
27,509,094
Factor Arrows
23,754,547
Factor Arrows
1,5972,351

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, 1597, 2351

We can check our work by multiplying all of the prime factors together: 2 x 2 x 1,597 x 2,351 = 15,018,188

This can also be written as 22 x 1,5971 x 2,3511 = 15,018,188

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 15,018,188:


Ask a Question