Q: What are the prime factors of the number 511,424?

 A: 2, 61, 131

Why are those the prime factors of the number 511,424?

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 511,424

511,424
Factor Arrows
2255,712
Factor Arrows
2127,856
Factor Arrows
263,928
Factor Arrows
231,964
Factor Arrows
215,982
Factor Arrows
27,991
Factor Arrows
61131

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, 61, 131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 61 x 131 = 511,424

This can also be written as 26 x 611 x 1311 = 511,424

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 511,424:


Ask a Question