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What Are the Factors of 18?

The factors of 18 are calculated like this:

This is how to find the factors of 18. First, every number is divisible by itself and 1.


  1. Try 1. 1 x 18 = 18, so put these into our factor list.
    1...18

  2. Take 2. 2 x 9 = 18, which means we add these to our factor list.
    12...918

  3. Now take 3. 3 x 6 = 18, so now we put these in our list of factors.
    123...6918

  4. Next try 4... no luck. 18/4 isn't a whole number. So we skip 4.

  5. Now, since we don't have any more numbers to try, we're done!
    1236918


Try another number:

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