Q: What are the prime factors of the number 680,112?

 A: 2, 3, 4723

Why are those the prime factors of the number 680,112?

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 680,112

680,112
Factor Arrows
2340,056
Factor Arrows
2170,028
Factor Arrows
285,014
Factor Arrows
242,507
Factor Arrows
314,169
Factor Arrows
34,723

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, 4723

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 4,723 = 680,112

This can also be written as 24 x 32 x 4,7231 = 680,112

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


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