Q: What are the prime factors of the number 680,772?

 A: 2, 3, 56731

Why are those the prime factors of the number 680,772?

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 680,772

680,772
Factor Arrows
2340,386
Factor Arrows
2170,193
Factor Arrows
356,731

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, 56731

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 56,731 = 680,772

This can also be written as 22 x 31 x 56,7311 = 680,772

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


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