Q: What are the prime factors of the number 115,125,768?

 A: 2, 3, 17, 94057

Why are those the prime factors of the number 115,125,768?

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 115,125,768

115,125,768
Factor Arrows
257,562,884
Factor Arrows
228,781,442
Factor Arrows
214,390,721
Factor Arrows
34,796,907
Factor Arrows
31,598,969
Factor Arrows
1794,057

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, 17, 94057

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 17 x 94,057 = 115,125,768

This can also be written as 23 x 32 x 171 x 94,0571 = 115,125,768

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


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