Q: What are the prime factors of the number 115,500,144?

 A: 2, 3, 53, 83, 547

Why are those the prime factors of the number 115,500,144?

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 115,500,144

115,500,144
Factor Arrows
257,750,072
Factor Arrows
228,875,036
Factor Arrows
214,437,518
Factor Arrows
27,218,759
Factor Arrows
32,406,253
Factor Arrows
5345,401
Factor Arrows
83547

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, 53, 83, 547

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 53 x 83 x 547 = 115,500,144

This can also be written as 24 x 31 x 531 x 831 x 5471 = 115,500,144

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


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