Q: What are the prime factors of the number 85,335,631?

 A: 17, 19, 15541

Why are those the prime factors of the number 85,335,631?

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 85,335,631

85,335,631
Factor Arrows
175,019,743
Factor Arrows
17295,279
Factor Arrows
1915,541

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:

17, 19, 15541

We can check our work by multiplying all of the prime factors together: 17 x 17 x 19 x 15,541 = 85,335,631

This can also be written as 172 x 191 x 15,5411 = 85,335,631

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


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