Q: What are the prime factors of the number 672,681?

 A: 3, 23, 9749

Why are those the prime factors of the number 672,681?

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 672,681

672,681
Factor Arrows
3224,227
Factor Arrows
239,749

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, 23, 9749

We can check our work by multiplying all of the prime factors together: 3 x 23 x 9,749 = 672,681

This can also be written as 31 x 231 x 9,7491 = 672,681

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


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