Q: What are the prime factors of the number 331,540,310?

 A: 2, 5, 19, 227, 7687

Why are those the prime factors of the number 331,540,310?

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 331,540,310

331,540,310
Factor Arrows
2165,770,155
Factor Arrows
533,154,031
Factor Arrows
191,744,949
Factor Arrows
2277,687

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, 5, 19, 227, 7687

We can check our work by multiplying all of the prime factors together: 2 x 5 x 19 x 227 x 7,687 = 331,540,310

This can also be written as 21 x 51 x 191 x 2271 x 7,6871 = 331,540,310

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 331,540,310:


Ask a Question