Q: What are the prime factors of the number 27,201,520?

 A: 2, 5, 71, 4789

Why are those the prime factors of the number 27,201,520?

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 27,201,520

27,201,520
Factor Arrows
213,600,760
Factor Arrows
26,800,380
Factor Arrows
23,400,190
Factor Arrows
21,700,095
Factor Arrows
5340,019
Factor Arrows
714,789

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, 71, 4789

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 71 x 4,789 = 27,201,520

This can also be written as 24 x 51 x 711 x 4,7891 = 27,201,520

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


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