Q: What are the prime factors of the number 509,208?

 A: 2, 3, 7, 433

Why are those the prime factors of the number 509,208?

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 509,208

509,208
Factor Arrows
2254,604
Factor Arrows
2127,302
Factor Arrows
263,651
Factor Arrows
321,217
Factor Arrows
73,031
Factor Arrows
7433

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, 7, 433

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 7 x 433 = 509,208

This can also be written as 23 x 31 x 72 x 4331 = 509,208

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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