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What Are the Factors of 80?

The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80.

Calcating the factors of 80 is straightforward. Take 80 and the number 1. Those are the first two factors.


  1. Try 1. 1 x 80 = 80, so put these into our factor list.
    1...80

  2. Take 2. 2 x 40 = 80, which means we add these to our factor list.
    12...4080

  3. Now take 3... no. 80/3 isn't a whole number. So we skip 3.

  4. Next try 4. 4 x 20 = 80, so we add these to our list of factors.
    124...204080

  5. Now try 5. 5 x 16 = 80, so put these into our factor list.
    1245...16204080

  6. Try 6... no good. 80/6 isn't a whole number. So we skip 6.

  7. Take 7... no. 80/7 isn't a whole number. So we skip 7.

  8. Now take 8. 8 x 10 = 80, so we add these to our list of factors.
    12458...1016204080

  9. Next try 9... nope! 80/9 isn't a whole number. So we skip 9.

  10. Now, since we don't have any more numbers to try, we're done!
    124581016204080


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Need help finding the factors of 80? It's easy! Here you go: the factors of 80 are 1, 2, 4, 5, 8... | randytayler@gmail.com