Q: What are the prime factors of the number 509,704?

 A: 2, 13, 29

Why are those the prime factors of the number 509,704?

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 509,704

509,704
Factor Arrows
2254,852
Factor Arrows
2127,426
Factor Arrows
263,713
Factor Arrows
134,901
Factor Arrows
13377
Factor Arrows
1329

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, 13, 29

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 13 x 13 x 13 x 29 = 509,704

This can also be written as 23 x 133 x 291 = 509,704

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


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