Q: What are the prime factors of the number 764,101,120?

 A: 2, 5, 298477

Why are those the prime factors of the number 764,101,120?

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 764,101,120

764,101,120
Factor Arrows
2382,050,560
Factor Arrows
2191,025,280
Factor Arrows
295,512,640
Factor Arrows
247,756,320
Factor Arrows
223,878,160
Factor Arrows
211,939,080
Factor Arrows
25,969,540
Factor Arrows
22,984,770
Factor Arrows
21,492,385
Factor Arrows
5298,477

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, 5, 298477

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 5 x 298,477 = 764,101,120

This can also be written as 29 x 51 x 298,4771 = 764,101,120

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


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