Q: What are the prime factors of the number 706,851,507?

 A: 3, 13999, 16831

Why are those the prime factors of the number 706,851,507?

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 706,851,507

706,851,507
Factor Arrows
3235,617,169
Factor Arrows
13,99916,831

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, 13999, 16831

We can check our work by multiplying all of the prime factors together: 3 x 13,999 x 16,831 = 706,851,507

This can also be written as 31 x 13,9991 x 16,8311 = 706,851,507

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


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