Q: What are the prime factors of the number 764,703,504?

 A: 2, 3, 53, 1237

Why are those the prime factors of the number 764,703,504?

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 764,703,504

764,703,504
Factor Arrows
2382,351,752
Factor Arrows
2191,175,876
Factor Arrows
295,587,938
Factor Arrows
247,793,969
Factor Arrows
315,931,323
Factor Arrows
35,310,441
Factor Arrows
31,770,147
Factor Arrows
3590,049
Factor Arrows
3196,683
Factor Arrows
365,561
Factor Arrows
531,237

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, 53, 1237

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 53 x 1,237 = 764,703,504

This can also be written as 24 x 36 x 531 x 1,2371 = 764,703,504

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


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