Q: What are the prime factors of the number 339,568?

 A: 2, 19, 1117

Why are those the prime factors of the number 339,568?

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 339,568

339,568
Factor Arrows
2169,784
Factor Arrows
284,892
Factor Arrows
242,446
Factor Arrows
221,223
Factor Arrows
191,117

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, 19, 1117

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 1,117 = 339,568

This can also be written as 24 x 191 x 1,1171 = 339,568

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


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