Posted by Rachael on Thursday, December 11, 2008 at 4:37pm.
Multiples of 9: 9, 18, 27, 36, 45 . . .
Multiples of 27: 27, 54, 80 . . .
Which is the smallest common multiple?
Factors of 9: 1, 3, 9
Factors of 27: 1, 3, 9, 27
What is the largest factor?