Q: What are the prime factors of the number 649,233?

 A: 3, 13, 31, 179

Why are those the prime factors of the number 649,233?

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 649,233

649,233
Factor Arrows
3216,411
Factor Arrows
372,137
Factor Arrows
135,549
Factor Arrows
31179

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, 13, 31, 179

We can check our work by multiplying all of the prime factors together: 3 x 3 x 13 x 31 x 179 = 649,233

This can also be written as 32 x 131 x 311 x 1791 = 649,233

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 649,233:


Ask a Question