Q: What are the prime factors of the number 764,703,160?

 A: 2, 5, 13, 47, 67, 467

Why are those the prime factors of the number 764,703,160?

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 764,703,160

764,703,160
Factor Arrows
2382,351,580
Factor Arrows
2191,175,790
Factor Arrows
295,587,895
Factor Arrows
519,117,579
Factor Arrows
131,470,583
Factor Arrows
4731,289
Factor Arrows
67467

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, 5, 13, 47, 67, 467

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 13 x 47 x 67 x 467 = 764,703,160

This can also be written as 23 x 51 x 131 x 471 x 671 x 4671 = 764,703,160

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


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