Finding the Greatest Common Factor

The video tutorial explains how to find the greatest common factor (GCF) of two numbers, 8 and 12. It begins by defining the GCF and then lists the factors of each number. The tutorial identifies the common factors and highlights the greatest one, which is 4. The video concludes by affirming that different methods can be used to find the GCF, but the result remains the same.

What is another name for the Greatest Common Factor?

• Lowest Common Factor

• Highest Common Multiple

• Greatest Common Divisor

• Least Common Multiple

What is the goal when finding the Greatest Common Factor of two numbers?

• To find the smallest number that divides both

• To find the largest number that divides both

• To find the sum of the two numbers

• To find any number that divides both

Which of the following is a factor of 8?

• 4

• 5

• 9

• 3

Which of the following is NOT a factor of 8?

• 1

• 2

• 3

• 4

Which of the following is a factor of 12?

• 6

• 5

• 9

• 7

Which of the following is NOT a factor of 12?

• 3

• 2

• 4

• 5

What is the greatest common factor of 8 and 12?

• 2

• 3

• 6

• 4

Which number is a common factor of both 8 and 12?

• 2

• 5

• 1

• 3

How many times does 4 go into 8?

• 2 times

• 4 times

• 1 time

• 3 times

How many times does 4 go into 12?

• 3 times

• 1 time

• 4 times

• 2 times