Q: What are the prime factors of the number 100,009,995?

 A: 3, 5, 331, 20143

Why are those the prime factors of the number 100,009,995?

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 100,009,995

100,009,995
Factor Arrows
333,336,665
Factor Arrows
56,667,333
Factor Arrows
33120,143

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, 5, 331, 20143

We can check our work by multiplying all of the prime factors together: 3 x 5 x 331 x 20,143 = 100,009,995

This can also be written as 31 x 51 x 3311 x 20,1431 = 100,009,995

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


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