Q: What are the prime factors of the number 253,330,312?

 A: 2, 29, 89, 12269

Why are those the prime factors of the number 253,330,312?

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 253,330,312

253,330,312
Factor Arrows
2126,665,156
Factor Arrows
263,332,578
Factor Arrows
231,666,289
Factor Arrows
291,091,941
Factor Arrows
8912,269

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, 29, 89, 12269

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 29 x 89 x 12,269 = 253,330,312

This can also be written as 23 x 291 x 891 x 12,2691 = 253,330,312

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


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