Q: What are the prime factors of the number 263,604?

 A: 2, 3, 11, 1997

Why are those the prime factors of the number 263,604?

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 263,604

263,604
Factor Arrows
2131,802
Factor Arrows
265,901
Factor Arrows
321,967
Factor Arrows
111,997

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, 11, 1997

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 1,997 = 263,604

This can also be written as 22 x 31 x 111 x 1,9971 = 263,604

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


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