##15##.
All of these numbers are divisible by ##15##, and ##15## is ##15##’s largest factor, so it must be the .
##15/15=1##.
##30/15=2##.
##45/15=3##.
##15##.
All of these numbers are divisible by ##15##, and ##15## is ##15##’s largest factor, so it must be the .
##15/15=1##.
##30/15=2##.
##45/15=3##.
##15##.
All of these numbers are divisible by ##15##, and ##15## is ##15##’s largest factor, so it must be the .
##15/15=1##.
##30/15=2##.
##45/15=3##.