Q: What are the prime factors of the number 673,272?

 A: 2, 3, 1039

Why are those the prime factors of the number 673,272?

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 673,272

673,272
Factor Arrows
2336,636
Factor Arrows
2168,318
Factor Arrows
284,159
Factor Arrows
328,053
Factor Arrows
39,351
Factor Arrows
33,117
Factor Arrows
31,039

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, 1039

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 1,039 = 673,272

This can also be written as 23 x 34 x 1,0391 = 673,272

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


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