Q: What are the prime factors of the number 339,744?

 A: 2, 3, 3539

Why are those the prime factors of the number 339,744?

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 339,744

339,744
Factor Arrows
2169,872
Factor Arrows
284,936
Factor Arrows
242,468
Factor Arrows
221,234
Factor Arrows
210,617
Factor Arrows
33,539

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, 3539

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3,539 = 339,744

This can also be written as 25 x 31 x 3,5391 = 339,744

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


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