Q: What are the prime factors of the number 27,468,640?

 A: 2, 5, 171679

Why are those the prime factors of the number 27,468,640?

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 27,468,640

27,468,640
Factor Arrows
213,734,320
Factor Arrows
26,867,160
Factor Arrows
23,433,580
Factor Arrows
21,716,790
Factor Arrows
2858,395
Factor Arrows
5171,679

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, 5, 171679

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 171,679 = 27,468,640

This can also be written as 25 x 51 x 171,6791 = 27,468,640

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


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