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What Are the Factors of 31?

The factors of 31 are calculated like this:

Here is how you calculate the factors of 31. The first two factors - and sometimes the only two - are the number itself, and 1.


  1. Try 1. 1 x 31 = 31, so put these into our factor list.
    1...31

  2. Take 2... no good. 31/2 isn't a whole number. So we skip 2.

  3. Now take 3... no. 31/3 isn't a whole number. So we skip 3.

  4. Next try 4... no luck. 31/4 isn't a whole number. So we skip 4.

  5. Now try 5... nope! 31/5 isn't a whole number. So we skip 5.

  6. Try 6... no good. 31/6 isn't a whole number. So we skip 6.

  7. Now, since we don't have any more numbers to try, we're done!
    131


Try another number:

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