Q: What are the prime factors of the number 115,173,744?

 A: 2, 3, 7, 19, 18041

Why are those the prime factors of the number 115,173,744?

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 115,173,744

115,173,744
Factor Arrows
257,586,872
Factor Arrows
228,793,436
Factor Arrows
214,396,718
Factor Arrows
27,198,359
Factor Arrows
32,399,453
Factor Arrows
7342,779
Factor Arrows
1918,041

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, 7, 19, 18041

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 19 x 18,041 = 115,173,744

This can also be written as 24 x 31 x 71 x 191 x 18,0411 = 115,173,744

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


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