Q: What are the prime factors of the number 30,375,405?

 A: 3, 5, 179, 419

Why are those the prime factors of the number 30,375,405?

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 30,375,405

30,375,405
Factor Arrows
310,125,135
Factor Arrows
33,375,045
Factor Arrows
31,125,015
Factor Arrows
3375,005
Factor Arrows
575,001
Factor Arrows
179419

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, 179, 419

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 5 x 179 x 419 = 30,375,405

This can also be written as 34 x 51 x 1791 x 4191 = 30,375,405

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 30,375,405:


Ask a Question