Q: What are the prime factors of the number 86,105,013?

 A: 3, 59, 103, 4723

Why are those the prime factors of the number 86,105,013?

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 86,105,013

86,105,013
Factor Arrows
328,701,671
Factor Arrows
59486,469
Factor Arrows
1034,723

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, 59, 103, 4723

We can check our work by multiplying all of the prime factors together: 3 x 59 x 103 x 4,723 = 86,105,013

This can also be written as 31 x 591 x 1031 x 4,7231 = 86,105,013

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


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