LCM

Front

What is LCM?

Back

LCM stands for Least Common Multiple. It is the smallest multiple that two or more numbers have in common.

Front

How do you find the LCM of two numbers?

Back

To find the LCM of two numbers, list the multiples of each number and find the smallest multiple that appears in both lists.

Front

What is the LCM of 6 and 7?

Back

42

Front

What is the LCM of 5 and 10?

Back

10

Front

What is the LCM of 4, 5, and 6?

Back

60

Front

What are multiples?

Back

Multiples of a number are the results of multiplying that number by whole numbers (e.g., multiples of 3 are 3, 6, 9, 12, etc.).

Front

What is the first multiple of any number?

Back

The first multiple of any number is the number itself.

Front

If John works every 4 days and Chris every 7 days, when will they work together again?

Back

28 days.

Front

What is the LCM of 8 and 12?

Back

24

Front

What is the relationship between LCM and GCD?

Back

The product of the LCM and GCD of two numbers is equal to the product of the numbers.