Q: What are the prime factors of the number 181,184?

 A: 2, 19, 149

Why are those the prime factors of the number 181,184?

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 181,184

181,184
Factor Arrows
290,592
Factor Arrows
245,296
Factor Arrows
222,648
Factor Arrows
211,324
Factor Arrows
25,662
Factor Arrows
22,831
Factor Arrows
19149

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, 19, 149

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 19 x 149 = 181,184

This can also be written as 26 x 191 x 1491 = 181,184

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 181,184:


Ask a Question