Q: What are the prime factors of the number 667,086?

 A: 2, 3, 7, 2269

Why are those the prime factors of the number 667,086?

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 667,086

667,086
Factor Arrows
2333,543
Factor Arrows
3111,181
Factor Arrows
715,883
Factor Arrows
72,269

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, 7, 2269

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 7 x 2,269 = 667,086

This can also be written as 21 x 31 x 72 x 2,2691 = 667,086

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


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