Q: What are the prime factors of the number 672,567,639?

 A: 3, 61, 97, 37889

Why are those the prime factors of the number 672,567,639?

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 672,567,639

672,567,639
Factor Arrows
3224,189,213
Factor Arrows
613,675,233
Factor Arrows
9737,889

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, 61, 97, 37889

We can check our work by multiplying all of the prime factors together: 3 x 61 x 97 x 37,889 = 672,567,639

This can also be written as 31 x 611 x 971 x 37,8891 = 672,567,639

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


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