Q: What are the prime factors of the number 251,040,224?

 A: 2, 17, 53, 8707

Why are those the prime factors of the number 251,040,224?

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 251,040,224

251,040,224
Factor Arrows
2125,520,112
Factor Arrows
262,760,056
Factor Arrows
231,380,028
Factor Arrows
215,690,014
Factor Arrows
27,845,007
Factor Arrows
17461,471
Factor Arrows
538,707

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, 17, 53, 8707

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 53 x 8,707 = 251,040,224

This can also be written as 25 x 171 x 531 x 8,7071 = 251,040,224

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


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