Q: What are the prime factors of the number 27,644,643?

 A: 3, 13, 23, 10273

Why are those the prime factors of the number 27,644,643?

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 27,644,643

27,644,643
Factor Arrows
39,214,881
Factor Arrows
33,071,627
Factor Arrows
13236,279
Factor Arrows
2310,273

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, 13, 23, 10273

We can check our work by multiplying all of the prime factors together: 3 x 3 x 13 x 23 x 10,273 = 27,644,643

This can also be written as 32 x 131 x 231 x 10,2731 = 27,644,643

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


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