Q: What are the prime factors of the number 702,856?

 A: 2, 7, 11, 163

Why are those the prime factors of the number 702,856?

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 702,856

702,856
Factor Arrows
2351,428
Factor Arrows
2175,714
Factor Arrows
287,857
Factor Arrows
712,551
Factor Arrows
71,793
Factor Arrows
11163

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, 7, 11, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 11 x 163 = 702,856

This can also be written as 23 x 72 x 111 x 1631 = 702,856

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


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