Q: What are the prime factors of the number 764,761,419?

 A: 3, 19, 83, 5987

Why are those the prime factors of the number 764,761,419?

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 764,761,419

764,761,419
Factor Arrows
3254,920,473
Factor Arrows
384,973,491
Factor Arrows
328,324,497
Factor Arrows
39,441,499
Factor Arrows
19496,921
Factor Arrows
835,987

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:

3, 19, 83, 5987

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 19 x 83 x 5,987 = 764,761,419

This can also be written as 34 x 191 x 831 x 5,9871 = 764,761,419

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


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