Q: What are the prime factors of the number 680,472?

 A: 2, 3, 13, 727

Why are those the prime factors of the number 680,472?

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 680,472

680,472
Factor Arrows
2340,236
Factor Arrows
2170,118
Factor Arrows
285,059
Factor Arrows
328,353
Factor Arrows
39,451
Factor Arrows
13727

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, 13, 727

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 13 x 727 = 680,472

This can also be written as 23 x 32 x 131 x 7271 = 680,472

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


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