Q: What are the prime factors of the number 115,551,200?

 A: 2, 5, 144439

Why are those the prime factors of the number 115,551,200?

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 115,551,200

115,551,200
Factor Arrows
257,775,600
Factor Arrows
228,887,800
Factor Arrows
214,443,900
Factor Arrows
27,221,950
Factor Arrows
23,610,975
Factor Arrows
5722,195
Factor Arrows
5144,439

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, 5, 144439

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 144,439 = 115,551,200

This can also be written as 25 x 52 x 144,4391 = 115,551,200

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


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