Q: What are the prime factors of the number 30,123,015?

 A: 3, 5, 13, 179, 863

Why are those the prime factors of the number 30,123,015?

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 30,123,015

30,123,015
Factor Arrows
310,041,005
Factor Arrows
52,008,201
Factor Arrows
13154,477
Factor Arrows
179863

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, 5, 13, 179, 863

We can check our work by multiplying all of the prime factors together: 3 x 5 x 13 x 179 x 863 = 30,123,015

This can also be written as 31 x 51 x 131 x 1791 x 8631 = 30,123,015

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 30,123,015:


Ask a Question