Q: What are the prime factors of the number 251,007,344?

 A: 2, 7, 443, 5059

Why are those the prime factors of the number 251,007,344?

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 251,007,344

251,007,344
Factor Arrows
2125,503,672
Factor Arrows
262,751,836
Factor Arrows
231,375,918
Factor Arrows
215,687,959
Factor Arrows
72,241,137
Factor Arrows
4435,059

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, 443, 5059

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 443 x 5,059 = 251,007,344

This can also be written as 24 x 71 x 4431 x 5,0591 = 251,007,344

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


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