Q: What are the prime factors of the number 213,320,808?

 A: 2, 3, 181, 16369

Why are those the prime factors of the number 213,320,808?

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 213,320,808

213,320,808
Factor Arrows
2106,660,404
Factor Arrows
253,330,202
Factor Arrows
226,665,101
Factor Arrows
38,888,367
Factor Arrows
32,962,789
Factor Arrows
18116,369

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, 181, 16369

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 181 x 16,369 = 213,320,808

This can also be written as 23 x 32 x 1811 x 16,3691 = 213,320,808

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 213,320,808:


Ask a Question