Q: What are the prime factors of the number 27,501,600?

 A: 2, 3, 5, 7, 1637

Why are those the prime factors of the number 27,501,600?

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 27,501,600

27,501,600
Factor Arrows
213,750,800
Factor Arrows
26,875,400
Factor Arrows
23,437,700
Factor Arrows
21,718,850
Factor Arrows
2859,425
Factor Arrows
3286,475
Factor Arrows
557,295
Factor Arrows
511,459
Factor Arrows
71,637

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, 7, 1637

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 5 x 7 x 1,637 = 27,501,600

This can also be written as 25 x 31 x 52 x 71 x 1,6371 = 27,501,600

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


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