Q: What are the prime factors of the number 680,208?

 A: 2, 3, 37, 383

Why are those the prime factors of the number 680,208?

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 680,208

680,208
Factor Arrows
2340,104
Factor Arrows
2170,052
Factor Arrows
285,026
Factor Arrows
242,513
Factor Arrows
314,171
Factor Arrows
37383

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, 37, 383

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 37 x 383 = 680,208

This can also be written as 24 x 31 x 371 x 3831 = 680,208

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


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