Q: What are the prime factors of the number 84,539,085?

 A: 3, 5, 79, 71341

Why are those the prime factors of the number 84,539,085?

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 84,539,085

84,539,085
Factor Arrows
328,179,695
Factor Arrows
55,635,939
Factor Arrows
7971,341

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, 5, 79, 71341

We can check our work by multiplying all of the prime factors together: 3 x 5 x 79 x 71,341 = 84,539,085

This can also be written as 31 x 51 x 791 x 71,3411 = 84,539,085

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


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