Finding the LCM

Front

What is the LCM of two numbers?

Back

The LCM (Least Common Multiple) of two numbers is the smallest multiple that is evenly divisible by both numbers.

Front

How do you find the LCM of two numbers using prime factorization?

Back

1. Factor both numbers into primes. 2. Take the highest power of each prime factor. 3. Multiply these together to get the LCM.

Front

What is the LCM of 8 and 5?

Back

40

Front

What is the LCM of 6 and 9?

Back

18

Front

What is the LCM of 18 and 12?

Back

36

Front

36 is the LCM of which numbers?

Back

6, 12, and 18

Front

15 is the LCM of which numbers?

Back

3 and 5

Front

What is the relationship between GCD and LCM?

Back

The product of the GCD (Greatest Common Divisor) and LCM of two numbers is equal to the product of the numbers themselves.

Front

How can you find the LCM using listing multiples?

Back

List the multiples of each number until you find the smallest common multiple.

Front

What is the LCM of 4 and 10?

Back

20