Q: What are the prime factors of the number 172,606,272?

 A: 2, 3, 691, 1301

Why are those the prime factors of the number 172,606,272?

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 172,606,272

172,606,272
Factor Arrows
286,303,136
Factor Arrows
243,151,568
Factor Arrows
221,575,784
Factor Arrows
210,787,892
Factor Arrows
25,393,946
Factor Arrows
22,696,973
Factor Arrows
3898,991
Factor Arrows
6911,301

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, 3, 691, 1301

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 3 x 691 x 1,301 = 172,606,272

This can also be written as 26 x 31 x 6911 x 1,3011 = 172,606,272

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 172,606,272:


Ask a Question