Q: What are the prime factors of the number 23,112,999?

 A: 3, 7, 13, 23, 409

Why are those the prime factors of the number 23,112,999?

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 23,112,999

23,112,999
Factor Arrows
37,704,333
Factor Arrows
32,568,111
Factor Arrows
3856,037
Factor Arrows
7122,291
Factor Arrows
139,407
Factor Arrows
23409

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, 7, 13, 23, 409

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 13 x 23 x 409 = 23,112,999

This can also be written as 33 x 71 x 131 x 231 x 4091 = 23,112,999

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


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