Q: What are the prime factors of the number 272,304?

 A: 2, 3, 31, 61

Why are those the prime factors of the number 272,304?

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 272,304

272,304
Factor Arrows
2136,152
Factor Arrows
268,076
Factor Arrows
234,038
Factor Arrows
217,019
Factor Arrows
35,673
Factor Arrows
31,891
Factor Arrows
3161

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, 31, 61

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 31 x 61 = 272,304

This can also be written as 24 x 32 x 311 x 611 = 272,304

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


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