Q: What are the prime factors of the number 680,130?

 A: 2, 3, 5, 11, 229

Why are those the prime factors of the number 680,130?

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 680,130

680,130
Factor Arrows
2340,065
Factor Arrows
3113,355
Factor Arrows
337,785
Factor Arrows
312,595
Factor Arrows
52,519
Factor Arrows
11229

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, 5, 11, 229

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 11 x 229 = 680,130

This can also be written as 21 x 33 x 51 x 111 x 2291 = 680,130

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


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