Q: What are the prime factors of the number 764,074,432?

 A: 2, 11, 67, 97, 167

Why are those the prime factors of the number 764,074,432?

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 764,074,432

764,074,432
Factor Arrows
2382,037,216
Factor Arrows
2191,018,608
Factor Arrows
295,509,304
Factor Arrows
247,754,652
Factor Arrows
223,877,326
Factor Arrows
211,938,663
Factor Arrows
111,085,333
Factor Arrows
6716,199
Factor Arrows
97167

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, 11, 67, 97, 167

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 11 x 67 x 97 x 167 = 764,074,432

This can also be written as 26 x 111 x 671 x 971 x 1671 = 764,074,432

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


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