Q: What are the prime factors of the number 254,121,344?

 A: 2, 89, 22307

Why are those the prime factors of the number 254,121,344?

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 254,121,344

254,121,344
Factor Arrows
2127,060,672
Factor Arrows
263,530,336
Factor Arrows
231,765,168
Factor Arrows
215,882,584
Factor Arrows
27,941,292
Factor Arrows
23,970,646
Factor Arrows
21,985,323
Factor Arrows
8922,307

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, 89, 22307

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 2 x 89 x 22,307 = 254,121,344

This can also be written as 27 x 891 x 22,3071 = 254,121,344

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


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