Q: What are the prime factors of the number 311,153,370?

 A: 2, 3, 5, 11, 942889

Why are those the prime factors of the number 311,153,370?

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 311,153,370

311,153,370
Factor Arrows
2155,576,685
Factor Arrows
351,858,895
Factor Arrows
510,371,779
Factor Arrows
11942,889

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, 5, 11, 942889

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 11 x 942,889 = 311,153,370

This can also be written as 21 x 31 x 51 x 111 x 942,8891 = 311,153,370

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 311,153,370:


Ask a Question