Q: What are the prime factors of the number 253,680,768?

 A: 2, 3, 11, 6673

Why are those the prime factors of the number 253,680,768?

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 253,680,768

253,680,768
Factor Arrows
2126,840,384
Factor Arrows
263,420,192
Factor Arrows
231,710,096
Factor Arrows
215,855,048
Factor Arrows
27,927,524
Factor Arrows
23,963,762
Factor Arrows
21,981,881
Factor Arrows
3660,627
Factor Arrows
3220,209
Factor Arrows
373,403
Factor Arrows
116,673

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, 11, 6673

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 3 x 3 x 3 x 11 x 6,673 = 253,680,768

This can also be written as 27 x 33 x 111 x 6,6731 = 253,680,768

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


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