Q: What are the prime factors of the number 230,123,152?

 A: 2, 7, 17, 120863

Why are those the prime factors of the number 230,123,152?

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 230,123,152

230,123,152
Factor Arrows
2115,061,576
Factor Arrows
257,530,788
Factor Arrows
228,765,394
Factor Arrows
214,382,697
Factor Arrows
72,054,671
Factor Arrows
17120,863

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, 7, 17, 120863

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 17 x 120,863 = 230,123,152

This can also be written as 24 x 71 x 171 x 120,8631 = 230,123,152

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


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