Q: What are the prime factors of the number 683,040?

 A: 2, 3, 5, 1423

Why are those the prime factors of the number 683,040?

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 683,040

683,040
Factor Arrows
2341,520
Factor Arrows
2170,760
Factor Arrows
285,380
Factor Arrows
242,690
Factor Arrows
221,345
Factor Arrows
37,115
Factor Arrows
51,423

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, 1423

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 5 x 1,423 = 683,040

This can also be written as 25 x 31 x 51 x 1,4231 = 683,040

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


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