Q: What are the prime factors of the number 673,504?

 A: 2, 13, 1619

Why are those the prime factors of the number 673,504?

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 673,504

673,504
Factor Arrows
2336,752
Factor Arrows
2168,376
Factor Arrows
284,188
Factor Arrows
242,094
Factor Arrows
221,047
Factor Arrows
131,619

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, 13, 1619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 1,619 = 673,504

This can also be written as 25 x 131 x 1,6191 = 673,504

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


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