Q: What are the prime factors of the number 683,424?

 A: 2, 3, 7, 113

Why are those the prime factors of the number 683,424?

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 683,424

683,424
Factor Arrows
2341,712
Factor Arrows
2170,856
Factor Arrows
285,428
Factor Arrows
242,714
Factor Arrows
221,357
Factor Arrows
37,119
Factor Arrows
32,373
Factor Arrows
3791
Factor Arrows
7113

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, 7, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 7 x 113 = 683,424

This can also be written as 25 x 33 x 71 x 1131 = 683,424

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


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