Q: What are the prime factors of the number 317,867?

 A: 11, 37, 71

Why are those the prime factors of the number 317,867?

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 317,867

317,867
Factor Arrows
1128,897
Factor Arrows
112,627
Factor Arrows
3771

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:

11, 37, 71

We can check our work by multiplying all of the prime factors together: 11 x 11 x 37 x 71 = 317,867

This can also be written as 112 x 371 x 711 = 317,867

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


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