What are the factors for 7?

The factors are 1 and 7

Are 1, 7. The way to calculate the factors of 7 is as follows. The first two factors - and sometimes the only two - are the number itself, and 1. Try 1. 1 x 7 = 7, so put these into our factor list. 1 ... 7 Take 2 ... no good. 7/2 isn't a whole number. So we skip 2. Now take 3 ... no. 7/3 isn't a whole number. So we skip 3. Now, since we don't have any more numbers to try, we're done!