Q: What are the prime factors of the number 764,120,704?

 A: 2, 233, 25621

Why are those the prime factors of the number 764,120,704?

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 764,120,704

764,120,704
Factor Arrows
2382,060,352
Factor Arrows
2191,030,176
Factor Arrows
295,515,088
Factor Arrows
247,757,544
Factor Arrows
223,878,772
Factor Arrows
211,939,386
Factor Arrows
25,969,693
Factor Arrows
23325,621

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, 233, 25621

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 233 x 25,621 = 764,120,704

This can also be written as 27 x 2331 x 25,6211 = 764,120,704

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


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