Q: What are the prime factors of the number 115,680?

 A: 2, 3, 5, 241

Why are those the prime factors of the number 115,680?

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 115,680

115,680
Factor Arrows
257,840
Factor Arrows
228,920
Factor Arrows
214,460
Factor Arrows
27,230
Factor Arrows
23,615
Factor Arrows
31,205
Factor Arrows
5241

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, 5, 241

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 5 x 241 = 115,680

This can also be written as 25 x 31 x 51 x 2411 = 115,680

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


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