Q: What are the prime factors of the number 115,663,328?

 A: 2, 11, 328589

Why are those the prime factors of the number 115,663,328?

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 115,663,328

115,663,328
Factor Arrows
257,831,664
Factor Arrows
228,915,832
Factor Arrows
214,457,916
Factor Arrows
27,228,958
Factor Arrows
23,614,479
Factor Arrows
11328,589

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, 328589

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 11 x 328,589 = 115,663,328

This can also be written as 25 x 111 x 328,5891 = 115,663,328

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


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