5.3
Common Multiples and
Least Common Multiples
Objectives:
- To find common and least common multiples of numbers.
Multiple (of a number) - the product of the number and a nonzero
whole number.
What are the multiples of 3?
What are the multiples of 4?
Find the first FOUR multiples of the following numbers.
5
11
8
Least Common Multiple (________) - the least (or smallest)
number that is a multiple of two numbers.
1. List the multiples of each number.
What is the LCM of 6 and 9?
2. Find the number that appears in each
list that is also the least or smallest.
Find the LCM of each pair of numbers.
4, 10
5, 7
White Boards!
12, 15