Q: What are the prime factors of the number 27,801,168?

 A: 2, 3, 107, 5413

Why are those the prime factors of the number 27,801,168?

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 27,801,168

27,801,168
Factor Arrows
213,900,584
Factor Arrows
26,950,292
Factor Arrows
23,475,146
Factor Arrows
21,737,573
Factor Arrows
3579,191
Factor Arrows
1075,413

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, 107, 5413

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 107 x 5,413 = 27,801,168

This can also be written as 24 x 31 x 1071 x 5,4131 = 27,801,168

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


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