Q: What are the prime factors of the number 28,308,007?

 A: 7, 13, 23929

Why are those the prime factors of the number 28,308,007?

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 28,308,007

28,308,007
Factor Arrows
74,044,001
Factor Arrows
13311,077
Factor Arrows
1323,929

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:

7, 13, 23929

We can check our work by multiplying all of the prime factors together: 7 x 13 x 13 x 23,929 = 28,308,007

This can also be written as 71 x 132 x 23,9291 = 28,308,007

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


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