LCM and GCF

Front

What is the greatest common factor (GCF)?

Back

The greatest common factor (GCF) is the largest positive integer that divides all the numbers in a given set without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

To find the GCF of two numbers, list the factors of each number and identify the largest factor that appears in both lists.

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer. For example, multiples of 7 include 7, 14, 21, 28, etc.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) is the smallest positive integer that is a multiple of two or more numbers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM of two numbers, you can list the multiples of each number and find the smallest common multiple.

Front

What is the GCF of 8 and 10?

Back

2

Front

Which of the following is a multiple of 7: 28, 48, 71, 45?

Back

28

Front

Sara had 16 red flowers and 24 yellow flowers. What is the greatest number of bouquets she can make?

Back

8

Front

What is the GCF of 10 and 25?

Back

5

Front

What is the GCF of 30 and 45?

Back

15