Q: What are the prime factors of the number 82,901,085?

 A: 3, 5, 19, 23, 12647

Why are those the prime factors of the number 82,901,085?

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 82,901,085

82,901,085
Factor Arrows
327,633,695
Factor Arrows
55,526,739
Factor Arrows
19290,881
Factor Arrows
2312,647

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, 19, 23, 12647

We can check our work by multiplying all of the prime factors together: 3 x 5 x 19 x 23 x 12,647 = 82,901,085

This can also be written as 31 x 51 x 191 x 231 x 12,6471 = 82,901,085

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


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