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Calcating the factors of 15 is straightforward. 1 and 15 are the first two factors.

- Try 1. 1 x 15 = 15, so put these into our factor list.
1 ... 15 - Take 2... no good. 15/2 isn't a whole number. So we skip 2.
- Now take 3. 3 x 5 = 15, so now we put these in our list of factors.
1 3 ... 5 15 - Next try 4... no luck. 15/4 isn't a whole number. So we skip 4.
- Now, since we don't have any more numbers to try, we're done!
1 3 5 15

...What Are the Factors of 1?

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Try another number:

Randy Tayler | randytayler@gmail.com