Q: What are the prime factors of the number 69,900?

 A: 2, 3, 5, 233

Why are those the prime factors of the number 69,900?

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 69,900

69,900
Factor Arrows
234,950
Factor Arrows
217,475
Factor Arrows
35,825
Factor Arrows
51,165
Factor Arrows
5233

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:

2, 3, 5, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 233 = 69,900

This can also be written as 22 x 31 x 52 x 2331 = 69,900

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 69,900:


Ask a Question