Q: What are the prime factors of the number 702,121?

 A: 7, 23, 89

Why are those the prime factors of the number 702,121?

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 702,121

702,121
Factor Arrows
7100,303
Factor Arrows
714,329
Factor Arrows
72,047
Factor Arrows
2389

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:

7, 23, 89

We can check our work by multiplying all of the prime factors together: 7 x 7 x 7 x 23 x 89 = 702,121

This can also be written as 73 x 231 x 891 = 702,121

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 702,121:


Ask a Question