Q: What are the prime factors of the number 764,515?

 A: 5, 107, 1429

Why are those the prime factors of the number 764,515?

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 764,515

764,515
Factor Arrows
5152,903
Factor Arrows
1071,429

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:

5, 107, 1429

We can check our work by multiplying all of the prime factors together: 5 x 107 x 1,429 = 764,515

This can also be written as 51 x 1071 x 1,4291 = 764,515

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


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