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What Are the Factors of 91?

The factors of 91 are calculated like this:

Here is how you calculate the factors of 91. The first two factors - and sometimes the only two - are the number itself, and 1.


  1. Try 1. 1 x 91 = 91, so put these into our factor list.
    1...91

  2. Take 2... no good. 91/2 isn't a whole number. So we skip 2.

  3. Now take 3... no. 91/3 isn't a whole number. So we skip 3.

  4. Next try 4... no luck. 91/4 isn't a whole number. So we skip 4.

  5. Now try 5... nope! 91/5 isn't a whole number. So we skip 5.

  6. Try 6... no good. 91/6 isn't a whole number. So we skip 6.

  7. Take 7. 7 x 13 = 91, so now we put these in our list of factors.
    17...1391

  8. Now take 8... no luck. 91/8 isn't a whole number. So we skip 8.

  9. Next try 9... nope! 91/9 isn't a whole number. So we skip 9.

  10. Now try 10... no good. 91/10 isn't a whole number. So we skip 10.

  11. Now, since we don't have any more numbers to try, we're done!
    171391


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