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

- Try 1. 1 x 80 = 80, so put these into our factor list.
1 ... 80 - Take 2. 2 x 40 = 80, which means we add these to our factor list.
1 2 ... 40 80 - Now take 3... no. 80/3 isn't a whole number. So we skip 3.
- Next try 4. 4 x 20 = 80, so we add these to our list of factors.
1 2 4 ... 20 40 80 - Now try 5. 5 x 16 = 80, so put these into our factor list.
1 2 4 5 ... 16 20 40 80 - Try 6... no good. 80/6 isn't a whole number. So we skip 6.
- Take 7... no. 80/7 isn't a whole number. So we skip 7.
- Now take 8. 8 x 10 = 80, so we add these to our list of factors.
1 2 4 5 8 ... 10 16 20 40 80 - Next try 9... nope! 80/9 isn't a whole number. So we skip 9.
- Now, since we don't have any more numbers to try, we're done!
1 2 4 5 8 10 16 20 40 80

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Try another number:

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