Q: What are the prime factors of the number 250,303,424?

 A: 2, 7, 31, 67, 269

Why are those the prime factors of the number 250,303,424?

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 250,303,424

250,303,424
Factor Arrows
2125,151,712
Factor Arrows
262,575,856
Factor Arrows
231,287,928
Factor Arrows
215,643,964
Factor Arrows
27,821,982
Factor Arrows
23,910,991
Factor Arrows
7558,713
Factor Arrows
3118,023
Factor Arrows
67269

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, 31, 67, 269

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 7 x 31 x 67 x 269 = 250,303,424

This can also be written as 26 x 71 x 311 x 671 x 2691 = 250,303,424

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


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