Q: What are the prime factors of the number 20,008,392?

 A: 2, 3, 31, 26893

Why are those the prime factors of the number 20,008,392?

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 20,008,392

20,008,392
Factor Arrows
210,004,196
Factor Arrows
25,002,098
Factor Arrows
22,501,049
Factor Arrows
3833,683
Factor Arrows
3126,893

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:

2, 3, 31, 26893

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 31 x 26,893 = 20,008,392

This can also be written as 23 x 31 x 311 x 26,8931 = 20,008,392

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


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