Finding the Greatest Common Factor

This video tutorial covers the concept of the Greatest Common Factor (GCF) and its practical applications. It explains how to find the GCF of two or more numbers using listing and prime factorization methods. The tutorial includes examples such as coordinating a parade and arranging seedlings, demonstrating the use of GCF in real-life scenarios.

What is the term used to describe the largest factor that two or more numbers share?

• Greatest Common Factor

• Common Denominator

• Least Common Multiple

• Prime Factor

How can knowing the GCF help in organizing a parade?

• By deciding the parade route

• By determining the number of rows

• By selecting the parade participants

• By choosing the parade theme

Which of the following is a common factor of 27 and 45?

• 11

• 9

• 5

• 7

What is the GCF of 24 and 32 using the listing method?

• 12

• 4

• 6

• 8

What is the first step in finding the GCF using prime factorization?

• Write the prime factorization of each number

• Multiply the numbers

• Identify common factors

• List all factors

What is the GCF of 27 and 45 using prime factorization?

• 3

• 6

• 12

• 9

What is the GCF of 36 and 54 using prime factorization?

• 18

• 6

• 12

• 24

How many rows of fir seedlings will there be if the GCF of 32, 48, and 80 is used?

• 2

• 4

• 5

• 3

What is the GCF of 32, 48, and 80 using prime factorization?

• 16

• 12

• 8

• 24

How many rows of cedar seedlings will there be if the GCF of 32, 48, and 80 is used?

• 5

• 4

• 3

• 2