Q: What are the prime factors of the number 254,160?

 A: 2, 3, 5, 353

Why are those the prime factors of the number 254,160?

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 254,160

254,160
Factor Arrows
2127,080
Factor Arrows
263,540
Factor Arrows
231,770
Factor Arrows
215,885
Factor Arrows
35,295
Factor Arrows
31,765
Factor Arrows
5353

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, 353

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 353 = 254,160

This can also be written as 24 x 32 x 51 x 3531 = 254,160

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


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