Q: What are the prime factors of the number 84,067,709?

 A: 11, 43, 89, 1997

Why are those the prime factors of the number 84,067,709?

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 84,067,709

84,067,709
Factor Arrows
117,642,519
Factor Arrows
43177,733
Factor Arrows
891,997

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:

11, 43, 89, 1997

We can check our work by multiplying all of the prime factors together: 11 x 43 x 89 x 1,997 = 84,067,709

This can also be written as 111 x 431 x 891 x 1,9971 = 84,067,709

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


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