GCF and LCM

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 18 and 27?

Back

The GCF of 18 and 27 is 9.

Front

What is the LCM of 4 and 5?

Back

The LCM of 4 and 5 is 20.

Front

List the factors of 12.

Back

The factors of 12 are 1, 2, 3, 4, 6, and 12.

Front

What is the GCF of 14 and 20?

Back

The GCF of 14 and 20 is 2.

Front

What is the LCM of 6 and 8?

Back

The LCM of 6 and 8 is 24.

Front

If Peter has 18 oranges and 27 pears, what is the greatest number of fruit baskets he can make?

Back

Peter can make 3 fruit baskets.