Answer :
1,3,9,13,17,39,51,117,153,221,663, and 1989 are factors of 1989.
C) 11 is not one of them.
C) 11 is not one of them.
the answer is c, because 1989/11 isnt a whole number
[answers]
a.) 1989/3=663
b.) 1989/9=221
c.) 1989/11=180.82 *right answer
d.) 1989/221=9
[answers]
a.) 1989/3=663
b.) 1989/9=221
c.) 1989/11=180.82 *right answer
d.) 1989/221=9