Q: What are the prime factors of the number 231,512?

 A: 2, 43, 673

Why are those the prime factors of the number 231,512?

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 231,512

231,512
Factor Arrows
2115,756
Factor Arrows
257,878
Factor Arrows
228,939
Factor Arrows
43673

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, 43, 673

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 43 x 673 = 231,512

This can also be written as 23 x 431 x 6731 = 231,512

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


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