Q: What are the prime factors of the number 313,823?

 A: 19, 83, 199

Why are those the prime factors of the number 313,823?

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 313,823

313,823
Factor Arrows
1916,517
Factor Arrows
83199

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:

19, 83, 199

We can check our work by multiplying all of the prime factors together: 19 x 83 x 199 = 313,823

This can also be written as 191 x 831 x 1991 = 313,823

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


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