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Calcating the factors of 40 is straightforward. 40 and 1 are the easiest two factors to find.

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

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Need help finding the factors of 40? It's easy! Here you go: the factors of 40 are 1, 2, 4, 5... Randy Tayler | randytayler@gmail.com