Q: What are the prime factors of the number 339,636?

 A: 2, 3, 11, 31, 83

Why are those the prime factors of the number 339,636?

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 339,636

339,636
Factor Arrows
2169,818
Factor Arrows
284,909
Factor Arrows
328,303
Factor Arrows
112,573
Factor Arrows
3183

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, 31, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 31 x 83 = 339,636

This can also be written as 22 x 31 x 111 x 311 x 831 = 339,636

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


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