GCF/LCM

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

What is the Least Common Multiple (LCM)?

Back

The LCM 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 an example of finding the GCF of 40 and 24?

Back

The GCF of 40 and 24 is 8.

Front

What is an example of finding the LCM of 15 and 25?

Back

The LCM of 15 and 25 is 75.

Front

If two clocks chime every 15 minutes and 25 minutes, how often do they chime together?

Back

They chime together every 75 minutes.

Front

In a project with 40 red discs and 24 blue discs, what is the greatest number of discs per row?

Back

The greatest number of discs per row is 8, with 5 red and 3 blue discs.

Front

How many teams can be formed with 40 girls and 32 boys if each team has the same number of girls and boys?

Back

The greatest number of teams is 4.

Front

If a kitchen staff has 96 chicken legs and 144 thighs, what is the greatest number of platters they can make?

Back

The greatest number of platters is 48.