Q: What are the prime factors of the number 133,556?

 A: 2, 173, 193

Why are those the prime factors of the number 133,556?

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 133,556

133,556
Factor Arrows
266,778
Factor Arrows
233,389
Factor Arrows
173193

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, 173, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 173 x 193 = 133,556

This can also be written as 22 x 1731 x 1931 = 133,556

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 133,556:


Ask a Question