Q: What are the prime factors of the number 27,808,512?

 A: 2, 3, 36209

Why are those the prime factors of the number 27,808,512?

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 27,808,512

27,808,512
Factor Arrows
213,904,256
Factor Arrows
26,952,128
Factor Arrows
23,476,064
Factor Arrows
21,738,032
Factor Arrows
2869,016
Factor Arrows
2434,508
Factor Arrows
2217,254
Factor Arrows
2108,627
Factor Arrows
336,209

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, 36209

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 36,209 = 27,808,512

This can also be written as 28 x 31 x 36,2091 = 27,808,512

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


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