Q: What are the prime factors of the number 173,067,520?

 A: 2, 5, 135209

Why are those the prime factors of the number 173,067,520?

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 173,067,520

173,067,520
Factor Arrows
286,533,760
Factor Arrows
243,266,880
Factor Arrows
221,633,440
Factor Arrows
210,816,720
Factor Arrows
25,408,360
Factor Arrows
22,704,180
Factor Arrows
21,352,090
Factor Arrows
2676,045
Factor Arrows
5135,209

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, 135209

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 2 x 2 x 5 x 135,209 = 173,067,520

This can also be written as 28 x 51 x 135,2091 = 173,067,520

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 173,067,520:


Ask a Question