Q: What are the prime factors of the number 113,105,511?

 A: 3, 41, 83, 1231

Why are those the prime factors of the number 113,105,511?

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 113,105,511

113,105,511
Factor Arrows
337,701,837
Factor Arrows
312,567,279
Factor Arrows
34,189,093
Factor Arrows
41102,173
Factor Arrows
831,231

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, 41, 83, 1231

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 41 x 83 x 1,231 = 113,105,511

This can also be written as 33 x 411 x 831 x 1,2311 = 113,105,511

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


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