Q: What are the prime factors of the number 27,323,280?

 A: 2, 3, 5, 137, 277

Why are those the prime factors of the number 27,323,280?

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 27,323,280

27,323,280
Factor Arrows
213,661,640
Factor Arrows
26,830,820
Factor Arrows
23,415,410
Factor Arrows
21,707,705
Factor Arrows
3569,235
Factor Arrows
3189,745
Factor Arrows
537,949
Factor Arrows
137277

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, 137, 277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 137 x 277 = 27,323,280

This can also be written as 24 x 32 x 51 x 1371 x 2771 = 27,323,280

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


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