Q: What are the prime factors of the number 172,336,161?

 A: 3, 31, 41, 45197

Why are those the prime factors of the number 172,336,161?

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 172,336,161

172,336,161
Factor Arrows
357,445,387
Factor Arrows
311,853,077
Factor Arrows
4145,197

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, 31, 41, 45197

We can check our work by multiplying all of the prime factors together: 3 x 31 x 41 x 45,197 = 172,336,161

This can also be written as 31 x 311 x 411 x 45,1971 = 172,336,161

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 172,336,161:


Ask a Question