Q: What are the prime factors of the number 23,236,668?

 A: 2, 3, 7, 13, 41, 173

Why are those the prime factors of the number 23,236,668?

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 23,236,668

23,236,668
Factor Arrows
211,618,334
Factor Arrows
25,809,167
Factor Arrows
31,936,389
Factor Arrows
3645,463
Factor Arrows
792,209
Factor Arrows
137,093
Factor Arrows
41173

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, 7, 13, 41, 173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 13 x 41 x 173 = 23,236,668

This can also be written as 22 x 32 x 71 x 131 x 411 x 1731 = 23,236,668

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


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