Q: What are the prime factors of the number 27,386,748?

 A: 2, 3, 181, 467

Why are those the prime factors of the number 27,386,748?

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 27,386,748

27,386,748
Factor Arrows
213,693,374
Factor Arrows
26,846,687
Factor Arrows
32,282,229
Factor Arrows
3760,743
Factor Arrows
3253,581
Factor Arrows
384,527
Factor Arrows
181467

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, 181, 467

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 181 x 467 = 27,386,748

This can also be written as 22 x 34 x 1811 x 4671 = 27,386,748

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


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