GCF/LCM Word Problems

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest number that divides two or more numbers without leaving a remainder.

Front

What does LCM stand for?

Back

LCM stands for Least Common Multiple, which is the smallest number that is a multiple of two or more numbers.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor they have in common.

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and identify the smallest multiple they have in common.

Front

What is the GCF of 8 and 20?

Back

The GCF of 8 and 20 is 4.

Front

What is the LCM of 8 and 20?

Back

The LCM of 8 and 20 is 40.

Front

If two numbers are 30 and 75, what is their LCM?

Back

The LCM of 30 and 75 is 150.

Front

If a cafeteria serves tacos every 6 days and cheeseburgers every 8 days, how often will they serve both on the same day?

Back

They will serve both on the same day every 24 days.

Front

What is the GCF of 30 and 48?

Back

The GCF of 30 and 48 is 6.

Front

If a kitchen has 96 chicken legs and 144 thighs, how many platters can they make with the same number of each?

Back

They can make 48 platters.