Q: What are the prime factors of the number 166,110,321?

 A: 3, 13, 53, 80363

Why are those the prime factors of the number 166,110,321?

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 166,110,321

166,110,321
Factor Arrows
355,370,107
Factor Arrows
134,259,239
Factor Arrows
5380,363

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, 53, 80363

We can check our work by multiplying all of the prime factors together: 3 x 13 x 53 x 80,363 = 166,110,321

This can also be written as 31 x 131 x 531 x 80,3631 = 166,110,321

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 166,110,321:


Ask a Question