Q: What are the prime factors of the number 311,084,568?

 A: 2, 3, 19, 23, 9887

Why are those the prime factors of the number 311,084,568?

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 311,084,568

311,084,568
Factor Arrows
2155,542,284
Factor Arrows
277,771,142
Factor Arrows
238,885,571
Factor Arrows
312,961,857
Factor Arrows
34,320,619
Factor Arrows
19227,401
Factor Arrows
239,887

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, 19, 23, 9887

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 19 x 23 x 9,887 = 311,084,568

This can also be written as 23 x 32 x 191 x 231 x 9,8871 = 311,084,568

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 311,084,568:


Ask a Question