Q: What are the prime factors of the number 666,663,704?

 A: 2, 7, 17, 700277

Why are those the prime factors of the number 666,663,704?

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 666,663,704

666,663,704
Factor Arrows
2333,331,852
Factor Arrows
2166,665,926
Factor Arrows
283,332,963
Factor Arrows
711,904,709
Factor Arrows
17700,277

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, 7, 17, 700277

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 17 x 700,277 = 666,663,704

This can also be written as 23 x 71 x 171 x 700,2771 = 666,663,704

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


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