Q: What are the prime factors of the number 254,912?

 A: 2, 7, 569

Why are those the prime factors of the number 254,912?

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 254,912

254,912
Factor Arrows
2127,456
Factor Arrows
263,728
Factor Arrows
231,864
Factor Arrows
215,932
Factor Arrows
27,966
Factor Arrows
23,983
Factor Arrows
7569

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, 7, 569

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 7 x 569 = 254,912

This can also be written as 26 x 71 x 5691 = 254,912

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


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