Q: What are the prime factors of the number 684,352?

 A: 2, 17, 37

Why are those the prime factors of the number 684,352?

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 684,352

684,352
Factor Arrows
2342,176
Factor Arrows
2171,088
Factor Arrows
285,544
Factor Arrows
242,772
Factor Arrows
221,386
Factor Arrows
210,693
Factor Arrows
17629
Factor Arrows
1737

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, 17, 37

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 17 x 17 x 37 = 684,352

This can also be written as 26 x 172 x 371 = 684,352

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


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