Copy and complete the table of multiples below (count by
Remember, counting by
Write down all the numbers that appear in both rows. Describe any pattern(s) that you notice.
, , and are in both rows.
What do you notice about these numbers? Are they multiples of a number other than
What is the smallest number that appears in both rows? This number is said to be theof two and three.
Looking at part (a) of this problem may make this easier.
In the table, what is the greatestof both two and three?
Remember, the greatest common multiple is the largest multiple two factors have in common. Refer to part (a) again.
Write three more common multiples of two and three.
To answer this question, it will help to keep counting by
's and 's.
Three more common multiples of
and are , , and .