Q: What are the prime factors of the number 113,003,019?

 A: 3, 379, 409

Why are those the prime factors of the number 113,003,019?

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 113,003,019

113,003,019
Factor Arrows
337,667,673
Factor Arrows
312,555,891
Factor Arrows
34,185,297
Factor Arrows
31,395,099
Factor Arrows
3465,033
Factor Arrows
3155,011
Factor Arrows
379409

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, 379, 409

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 379 x 409 = 113,003,019

This can also be written as 36 x 3791 x 4091 = 113,003,019

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


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