Q: What are the prime factors of the number 764,511,232?

 A: 2, 521, 1433

Why are those the prime factors of the number 764,511,232?

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 764,511,232

764,511,232
Factor Arrows
2382,255,616
Factor Arrows
2191,127,808
Factor Arrows
295,563,904
Factor Arrows
247,781,952
Factor Arrows
223,890,976
Factor Arrows
211,945,488
Factor Arrows
25,972,744
Factor Arrows
22,986,372
Factor Arrows
21,493,186
Factor Arrows
2746,593
Factor Arrows
5211,433

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, 521, 1433

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 2 x 2 x 2 x 521 x 1,433 = 764,511,232

This can also be written as 210 x 5211 x 1,4331 = 764,511,232

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


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