Q: What are the prime factors of the number 84,513,125?

 A: 5, 135221

Why are those the prime factors of the number 84,513,125?

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 84,513,125

84,513,125
Factor Arrows
516,902,625
Factor Arrows
53,380,525
Factor Arrows
5676,105
Factor Arrows
5135,221

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:

5, 135221

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 5 x 135,221 = 84,513,125

This can also be written as 54 x 135,2211 = 84,513,125

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 84,513,125:


Ask a Question