GCF

Front

What is the GCF (Greatest Common Factor)?

Back

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

Front

How do you find the GCF of two numbers?

Back

You can find the GCF by listing the factors of each number and identifying the largest common factor.

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number.

Front

What is the GCF of 18 and 24?

Back

6

Front

What is the GCF of 20 and 30?

Back

10

Front

Which number is not a factor of 24?

Back

14

Front

What numbers are the factors of 9?

Back

1, 3, 9

Front

Which number is a factor of 23?

Back

1

Front

What is the relationship between GCF and LCM (Least Common Multiple)?

Back

The GCF is used to find the LCM; LCM = (Product of the numbers) / GCF.

Front

Can the GCF of two prime numbers be greater than 1?

Back

No, the GCF of two prime numbers is always 1.