Q: What are the prime factors of the number 768,872?

 A: 2, 13, 7393

Why are those the prime factors of the number 768,872?

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 768,872

768,872
Factor Arrows
2384,436
Factor Arrows
2192,218
Factor Arrows
296,109
Factor Arrows
137,393

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, 13, 7393

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 13 x 7,393 = 768,872

This can also be written as 23 x 131 x 7,3931 = 768,872

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


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