Q: What are the prime factors of the number 253,330,304?

 A: 2, 1979143

Why are those the prime factors of the number 253,330,304?

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 253,330,304

253,330,304
Factor Arrows
2126,665,152
Factor Arrows
263,332,576
Factor Arrows
231,666,288
Factor Arrows
215,833,144
Factor Arrows
27,916,572
Factor Arrows
23,958,286
Factor Arrows
21,979,143

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, 1979143

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 1,979,143 = 253,330,304

This can also be written as 27 x 1,979,1431 = 253,330,304

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


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