Q: What are the prime factors of the number 756,672?

 A: 2, 3, 7, 563

Why are those the prime factors of the number 756,672?

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 756,672

756,672
Factor Arrows
2378,336
Factor Arrows
2189,168
Factor Arrows
294,584
Factor Arrows
247,292
Factor Arrows
223,646
Factor Arrows
211,823
Factor Arrows
33,941
Factor Arrows
7563

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, 563

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 3 x 7 x 563 = 756,672

This can also be written as 26 x 31 x 71 x 5631 = 756,672

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


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