Q: What are the prime factors of the number 27,301,830?

 A: 2, 3, 5, 17, 47, 67

Why are those the prime factors of the number 27,301,830?

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 27,301,830

27,301,830
Factor Arrows
213,650,915
Factor Arrows
34,550,305
Factor Arrows
5910,061
Factor Arrows
1753,533
Factor Arrows
173,149
Factor Arrows
4767

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, 17, 47, 67

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 17 x 17 x 47 x 67 = 27,301,830

This can also be written as 21 x 31 x 51 x 172 x 471 x 671 = 27,301,830

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


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