Q: What are the prime factors of the number 85,232,135?

 A: 5, 17, 23, 43597

Why are those the prime factors of the number 85,232,135?

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 85,232,135

85,232,135
Factor Arrows
517,046,427
Factor Arrows
171,002,731
Factor Arrows
2343,597

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:

5, 17, 23, 43597

We can check our work by multiplying all of the prime factors together: 5 x 17 x 23 x 43,597 = 85,232,135

This can also be written as 51 x 171 x 231 x 43,5971 = 85,232,135

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


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