Q: What are the prime factors of the number 511,025,109?

 A: 3, 7, 23, 157, 293

Why are those the prime factors of the number 511,025,109?

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 511,025,109

511,025,109
Factor Arrows
3170,341,703
Factor Arrows
724,334,529
Factor Arrows
231,058,023
Factor Arrows
2346,001
Factor Arrows
157293

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, 7, 23, 157, 293

We can check our work by multiplying all of the prime factors together: 3 x 7 x 23 x 23 x 157 x 293 = 511,025,109

This can also be written as 31 x 71 x 232 x 1571 x 2931 = 511,025,109

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 511,025,109:


Ask a Question