Q: What are the prime factors of the number 254,448?

 A: 2, 3, 19, 31

Why are those the prime factors of the number 254,448?

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 254,448

254,448
Factor Arrows
2127,224
Factor Arrows
263,612
Factor Arrows
231,806
Factor Arrows
215,903
Factor Arrows
35,301
Factor Arrows
31,767
Factor Arrows
3589
Factor Arrows
1931

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, 19, 31

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 3 x 19 x 31 = 254,448

This can also be written as 24 x 33 x 191 x 311 = 254,448

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


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