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What Are the Factors of 42?

The factors of 42 are calculated like this:

The way to calculate the factors of 42 is as follows. First, every number is divisible by itself and 1.


  1. Try 1. 1 x 42 = 42, so put these into our factor list.
    1...42

  2. Take 2. 2 x 21 = 42, which means we add these to our factor list.
    12...2142

  3. Now take 3. 3 x 14 = 42, so now we put these in our list of factors.
    123...142142

  4. Next try 4... no luck. 42/4 isn't a whole number. So we skip 4.

  5. Now try 5... nope! 42/5 isn't a whole number. So we skip 5.

  6. Try 6. 6 x 7 = 42, which means we add these to our factor list.
    1236...7142142

  7. Now, since we don't have any more numbers to try, we're done!
    12367142142


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