Q: What are the prime factors of the number 247,516,512?

 A: 2, 3, 2578297

Why are those the prime factors of the number 247,516,512?

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 247,516,512

247,516,512
Factor Arrows
2123,758,256
Factor Arrows
261,879,128
Factor Arrows
230,939,564
Factor Arrows
215,469,782
Factor Arrows
27,734,891
Factor Arrows
32,578,297

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, 2578297

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 2,578,297 = 247,516,512

This can also be written as 25 x 31 x 2,578,2971 = 247,516,512

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


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