Q: What are the prime factors of the number 27,004,000?

 A: 2, 5, 43, 157

Why are those the prime factors of the number 27,004,000?

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 27,004,000

27,004,000
Factor Arrows
213,502,000
Factor Arrows
26,751,000
Factor Arrows
23,375,500
Factor Arrows
21,687,750
Factor Arrows
2843,875
Factor Arrows
5168,775
Factor Arrows
533,755
Factor Arrows
56,751
Factor Arrows
43157

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, 43, 157

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 5 x 43 x 157 = 27,004,000

This can also be written as 25 x 53 x 431 x 1571 = 27,004,000

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


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