Q: What are the prime factors of the number 121,764,625?

 A: 5, 17, 57301

Why are those the prime factors of the number 121,764,625?

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 121,764,625

121,764,625
Factor Arrows
524,352,925
Factor Arrows
54,870,585
Factor Arrows
5974,117
Factor Arrows
1757,301

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, 17, 57301

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 17 x 57,301 = 121,764,625

This can also be written as 53 x 171 x 57,3011 = 121,764,625

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 121,764,625:


Ask a Question