Q: What are the prime factors of the number 764,081,256?

 A: 2, 3, 47, 439, 1543

Why are those the prime factors of the number 764,081,256?

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 764,081,256

764,081,256
Factor Arrows
2382,040,628
Factor Arrows
2191,020,314
Factor Arrows
295,510,157
Factor Arrows
331,836,719
Factor Arrows
47677,377
Factor Arrows
4391,543

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, 47, 439, 1543

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 47 x 439 x 1,543 = 764,081,256

This can also be written as 23 x 31 x 471 x 4391 x 1,5431 = 764,081,256

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


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