Q: What are the prime factors of the number 27,850,700?

 A: 2, 5, 23, 12109

Why are those the prime factors of the number 27,850,700?

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 27,850,700

27,850,700
Factor Arrows
213,925,350
Factor Arrows
26,962,675
Factor Arrows
51,392,535
Factor Arrows
5278,507
Factor Arrows
2312,109

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, 23, 12109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 23 x 12,109 = 27,850,700

This can also be written as 22 x 52 x 231 x 12,1091 = 27,850,700

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


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