Q: What are the prime factors of the number 250,432?

 A: 2, 7, 13, 43

Why are those the prime factors of the number 250,432?

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 250,432

250,432
Factor Arrows
2125,216
Factor Arrows
262,608
Factor Arrows
231,304
Factor Arrows
215,652
Factor Arrows
27,826
Factor Arrows
23,913
Factor Arrows
7559
Factor Arrows
1343

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, 13, 43

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 13 x 43 = 250,432

This can also be written as 26 x 71 x 131 x 431 = 250,432

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


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