Q: What are the prime factors of the number 231,513,140?

 A: 2, 5, 17, 67, 10163

Why are those the prime factors of the number 231,513,140?

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 231,513,140

231,513,140
Factor Arrows
2115,756,570
Factor Arrows
257,878,285
Factor Arrows
511,575,657
Factor Arrows
17680,921
Factor Arrows
6710,163

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, 17, 67, 10163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 17 x 67 x 10,163 = 231,513,140

This can also be written as 22 x 51 x 171 x 671 x 10,1631 = 231,513,140

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 231,513,140:


Ask a Question