Q: What are the prime factors of the number 22,126,851?

 A: 3, 23, 37, 107

Why are those the prime factors of the number 22,126,851?

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 22,126,851

22,126,851
Factor Arrows
37,375,617
Factor Arrows
32,458,539
Factor Arrows
3819,513
Factor Arrows
3273,171
Factor Arrows
391,057
Factor Arrows
233,959
Factor Arrows
37107

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, 23, 37, 107

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 23 x 37 x 107 = 22,126,851

This can also be written as 35 x 231 x 371 x 1071 = 22,126,851

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


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