Q: What are the prime factors of the number 253,602,384?

 A: 2, 3, 7, 41, 449

Why are those the prime factors of the number 253,602,384?

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 253,602,384

253,602,384
Factor Arrows
2126,801,192
Factor Arrows
263,400,596
Factor Arrows
231,700,298
Factor Arrows
215,850,149
Factor Arrows
35,283,383
Factor Arrows
7754,769
Factor Arrows
4118,409
Factor Arrows
41449

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, 3, 7, 41, 449

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 41 x 41 x 449 = 253,602,384

This can also be written as 24 x 31 x 71 x 412 x 4491 = 253,602,384

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


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