Q: What are the prime factors of the number 173,810?

 A: 2, 5, 7, 13, 191

Why are those the prime factors of the number 173,810?

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 173,810

173,810
Factor Arrows
286,905
Factor Arrows
517,381
Factor Arrows
72,483
Factor Arrows
13191

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, 5, 7, 13, 191

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 13 x 191 = 173,810

This can also be written as 21 x 51 x 71 x 131 x 1911 = 173,810

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 173,810:


Ask a Question