5-3 Least Common Multiples (LCM)
Students should be able to:
Explain how to find the least common multiple for a pair of numbers.
Produce the least common multiple for two or more numbers.
Multiple: a multiple of a number is the product of the number and a whole number.
6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, …
8: 8, 16, 24, 32, 40, 48, 56, 64, 72, …
What is the next number that should be bold on these lists?
Common Multiples: numbers that appear on both lists are common multiples.
Least Common Multiple (LCM): the LCM of two numbers is the smallest common multiple of the numbers.