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This is how to find the factors of 728. Take 728 and the number 1. Those are the first two factors.

- Try 1. 1 x 728 = 728, so put these into our factor list.
1 ... 728 - Take 2. 2 x 364 = 728, which means we add these to our factor list.
1 2 ... 364 728 - Now take 3... no. 728/3 isn't a whole number. So we skip 3.
- Next try 4. 4 x 182 = 728, so we add these to our list of factors.
1 2 4 ... 182 364 728 - Now try 5... nope! 728/5 isn't a whole number. So we skip 5.
- Try 6... no good. 728/6 isn't a whole number. So we skip 6.
- Take 7. 7 x 104 = 728, so now we put these in our list of factors.
1 2 4 7 ... 104 182 364 728 - Now take 8. 8 x 91 = 728, so we add these to our list of factors.
1 2 4 7 8 ... 91 104 182 364 728 - Next try 9... nope! 728/9 isn't a whole number. So we skip 9.
- Now try 10... no good. 728/10 isn't a whole number. So we skip 10.
- Try 11... no. 728/11 isn't a whole number. So we skip 11.
- Take 12... no luck. 728/12 isn't a whole number. So we skip 12.
- Now take 13. 13 x 56 = 728, so put these into our factor list.
1 2 4 7 8 13 ... 56 91 104 182 364 728 - Next try 14. 14 x 52 = 728, which means we add these to our factor list.
1 2 4 7 8 13 14 ... 52 56 91 104 182 364 728 - Now try 15... no. 728/15 isn't a whole number. So we skip 15.
- Try 16... no luck. 728/16 isn't a whole number. So we skip 16.
- Take 17... nope! 728/17 isn't a whole number. So we skip 17.
- Now take 18... no good. 728/18 isn't a whole number. So we skip 18.
- Next try 19... no. 728/19 isn't a whole number. So we skip 19.
- Now try 20... no luck. 728/20 isn't a whole number. So we skip 20.
- Try 21... nope! 728/21 isn't a whole number. So we skip 21.
- Take 22... no good. 728/22 isn't a whole number. So we skip 22.
- Now take 23... no. 728/23 isn't a whole number. So we skip 23.
- Next try 24... no luck. 728/24 isn't a whole number. So we skip 24.
- Now try 25... nope! 728/25 isn't a whole number. So we skip 25.
- Try 26. 26 x 28 = 728, which means we add these to our factor list.
1 2 4 7 8 13 14 26 ... 28 52 56 91 104 182 364 728 - Take 27... no. 728/27 isn't a whole number. So we skip 27.
- Now, since we don't have any more numbers to try, we're done!
1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728

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Need help finding the factors of 728? It's easy! Here you go: the factors of 728 are 1, 2, 4, 7, 8, 13, 14, 26... Randy Tayler | randytayler@gmail.com