Q: What are the prime factors of the number 27,480,928?

 A: 2, 499, 1721

Why are those the prime factors of the number 27,480,928?

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 27,480,928

27,480,928
Factor Arrows
213,740,464
Factor Arrows
26,870,232
Factor Arrows
23,435,116
Factor Arrows
21,717,558
Factor Arrows
2858,779
Factor Arrows
4991,721

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, 499, 1721

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 499 x 1,721 = 27,480,928

This can also be written as 25 x 4991 x 1,7211 = 27,480,928

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


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