Q: What are the prime factors of the number 172,554,525?

 A: 3, 5, 11, 13, 31, 173

Why are those the prime factors of the number 172,554,525?

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 172,554,525

172,554,525
Factor Arrows
357,518,175
Factor Arrows
319,172,725
Factor Arrows
53,834,545
Factor Arrows
5766,909
Factor Arrows
1169,719
Factor Arrows
135,363
Factor Arrows
31173

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, 5, 11, 13, 31, 173

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 11 x 13 x 31 x 173 = 172,554,525

This can also be written as 32 x 52 x 111 x 131 x 311 x 1731 = 172,554,525

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 172,554,525:


Ask a Question