Q: What are the prime factors of the number 300,332,123?

 A: 7, 13, 31, 67, 227

Why are those the prime factors of the number 300,332,123?

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 300,332,123

300,332,123
Factor Arrows
742,904,589
Factor Arrows
76,129,227
Factor Arrows
13471,479
Factor Arrows
3115,209
Factor Arrows
67227

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:

7, 13, 31, 67, 227

We can check our work by multiplying all of the prime factors together: 7 x 7 x 13 x 31 x 67 x 227 = 300,332,123

This can also be written as 72 x 131 x 311 x 671 x 2271 = 300,332,123

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


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