Q: What are the prime factors of the number 713,685?

 A: 3, 5, 7, 971

Why are those the prime factors of the number 713,685?

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 713,685

713,685
Factor Arrows
3237,895
Factor Arrows
547,579
Factor Arrows
76,797
Factor Arrows
7971

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, 7, 971

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 7 x 971 = 713,685

This can also be written as 31 x 51 x 72 x 9711 = 713,685

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


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