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

List the factors of each number and identify the largest factor they have in common.

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

What is a prime number?

Back

A prime number is a number that has only two factors: 1 and itself.

Front

What is the GCF of 12 and 16?

Back

The GCF of 12 and 16 is 4.

Front

What is the GCF of 18 and 24?

Back

The GCF of 18 and 24 is 6.

Front

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

Back

The GCF is used to simplify fractions, while the LCM is used to find common denominators.

Front

Can the GCF of two numbers be larger than either of the numbers?

Back

No, the GCF cannot be larger than the smallest number.

Front

What is the GCF of 30 and 45?

Back

The GCF of 30 and 45 is 15.

Front

How does prime factorization help in finding the GCF?

Back

By breaking down numbers into their prime factors, you can easily identify the common factors.