Q: What are the prime factors of the number 816,126,272?

 A: 2, 13, 980921

Why are those the prime factors of the number 816,126,272?

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 816,126,272

816,126,272
Factor Arrows
2408,063,136
Factor Arrows
2204,031,568
Factor Arrows
2102,015,784
Factor Arrows
251,007,892
Factor Arrows
225,503,946
Factor Arrows
212,751,973
Factor Arrows
13980,921

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, 13, 980921

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 13 x 980,921 = 816,126,272

This can also be written as 26 x 131 x 980,9211 = 816,126,272

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 816,126,272:


Ask a Question