Q: What are the prime factors of the number 27,475,860?

 A: 2, 3, 5, 173, 2647

Why are those the prime factors of the number 27,475,860?

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 27,475,860

27,475,860
Factor Arrows
213,737,930
Factor Arrows
26,868,965
Factor Arrows
32,289,655
Factor Arrows
5457,931
Factor Arrows
1732,647

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, 5, 173, 2647

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 173 x 2,647 = 27,475,860

This can also be written as 22 x 31 x 51 x 1731 x 2,6471 = 27,475,860

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


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