Q: What are the prime factors of the number 100,040,103?

 A: 3, 1235063

Why are those the prime factors of the number 100,040,103?

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 100,040,103

100,040,103
Factor Arrows
333,346,701
Factor Arrows
311,115,567
Factor Arrows
33,705,189
Factor Arrows
31,235,063

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, 1235063

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 1,235,063 = 100,040,103

This can also be written as 34 x 1,235,0631 = 100,040,103

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


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