Q: What are the prime factors of the number 816,126,273?

 A: 3, 23, 109, 4019

Why are those the prime factors of the number 816,126,273?

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 816,126,273

816,126,273
Factor Arrows
3272,042,091
Factor Arrows
390,680,697
Factor Arrows
330,226,899
Factor Arrows
310,075,633
Factor Arrows
23438,071
Factor Arrows
1094,019

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, 23, 109, 4019

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 23 x 109 x 4,019 = 816,126,273

This can also be written as 34 x 231 x 1091 x 4,0191 = 816,126,273

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 816,126,273:


Ask a Question