GCF intro

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor.

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 the GCF of 15 and 25?

Back

The GCF of 15 and 25 is 5.

Front

What is the GCF of 8 and 12?

Back

The GCF of 8 and 12 is 4.

Front

What is the relationship between GCF and LCM?

Back

The GCF (Greatest Common Factor) and LCM (Least Common Multiple) of two numbers are related by the equation: GCF × LCM = Product of the two numbers.

Front

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

Back

No, the GCF of two prime numbers is always 1, since they have no common factors other than 1.

Front

What is the GCF of 24, 36, and 60?

Back

The GCF of 24, 36, and 60 is 12.

Front

How does the prime factorization method help in finding the GCF?

Back

The prime factorization method involves breaking down each number into its prime factors and then multiplying the lowest powers of common prime factors to find the GCF.

Front

What is the GCF of 14 and 49?

Back

The GCF of 14 and 49 is 7.

Front

Is the GCF of a number and itself equal to that number?

Back

Yes, the GCF of a number and itself is equal to that number.