Q: What are the prime factors of the number 509,784?

 A: 2, 3, 11, 1931

Why are those the prime factors of the number 509,784?

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 509,784

509,784
Factor Arrows
2254,892
Factor Arrows
2127,446
Factor Arrows
263,723
Factor Arrows
321,241
Factor Arrows
111,931

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, 11, 1931

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 11 x 1,931 = 509,784

This can also be written as 23 x 31 x 111 x 1,9311 = 509,784

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 509,784:


Ask a Question