Q: What are the prime factors of the number 117,074,218?

 A: 2, 29, 389, 5189

Why are those the prime factors of the number 117,074,218?

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 117,074,218

117,074,218
Factor Arrows
258,537,109
Factor Arrows
292,018,521
Factor Arrows
3895,189

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, 29, 389, 5189

We can check our work by multiplying all of the prime factors together: 2 x 29 x 389 x 5,189 = 117,074,218

This can also be written as 21 x 291 x 3891 x 5,1891 = 117,074,218

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


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