Q: What are the prime factors of the number 712,665?

 A: 3, 5, 5279

Why are those the prime factors of the number 712,665?

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 712,665

712,665
Factor Arrows
3237,555
Factor Arrows
379,185
Factor Arrows
326,395
Factor Arrows
55,279

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:

3, 5, 5279

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 5,279 = 712,665

This can also be written as 33 x 51 x 5,2791 = 712,665

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


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