Q: What are the prime factors of the number 764,777,574?

 A: 2, 3, 11, 613, 6301

Why are those the prime factors of the number 764,777,574?

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 764,777,574

764,777,574
Factor Arrows
2382,388,787
Factor Arrows
3127,462,929
Factor Arrows
342,487,643
Factor Arrows
113,862,513
Factor Arrows
6136,301

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, 11, 613, 6301

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 11 x 613 x 6,301 = 764,777,574

This can also be written as 21 x 32 x 111 x 6131 x 6,3011 = 764,777,574

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


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