Q: What are the prime factors of the number 252,416?

 A: 2, 17, 29

Why are those the prime factors of the number 252,416?

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 252,416

252,416
Factor Arrows
2126,208
Factor Arrows
263,104
Factor Arrows
231,552
Factor Arrows
215,776
Factor Arrows
27,888
Factor Arrows
23,944
Factor Arrows
21,972
Factor Arrows
2986
Factor Arrows
2493
Factor Arrows
1729

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, 29

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 2 x 2 x 17 x 29 = 252,416

This can also be written as 29 x 171 x 291 = 252,416

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


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