Q: What are the prime factors of the number 207,603?

 A: 3, 11, 233

Why are those the prime factors of the number 207,603?

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 207,603

207,603
Factor Arrows
369,201
Factor Arrows
323,067
Factor Arrows
37,689
Factor Arrows
32,563
Factor Arrows
11233

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:

3, 11, 233

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 11 x 233 = 207,603

This can also be written as 34 x 111 x 2331 = 207,603

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


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