Q: What are the prime factors of the number 30,143,836?

 A: 2, 67, 137, 821

Why are those the prime factors of the number 30,143,836?

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 30,143,836

30,143,836
Factor Arrows
215,071,918
Factor Arrows
27,535,959
Factor Arrows
67112,477
Factor Arrows
137821

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, 67, 137, 821

We can check our work by multiplying all of the prime factors together: 2 x 2 x 67 x 137 x 821 = 30,143,836

This can also be written as 22 x 671 x 1371 x 8211 = 30,143,836

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 30,143,836:


Ask a Question