GCF

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, list the factors of each number and identify the largest factor that appears in both lists.

Front

What is the GCF of 28 and 40?

Back

4

Front

What is the GCF of 4 and 12?

Back

4

Front

What is the greatest factor of 28 and 49?

Back

7

Front

What is the GCF of 36 and 99?

Back

9

Front

What is the GCF of 24 and 56?

Back

8

Front

What is a factor?

Back

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

Front

What is the relationship between GCF and prime factorization?

Back

The GCF can be found by multiplying the lowest powers of all prime factors common to both numbers.

Front

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

Back

No, the GCF cannot be larger than the smallest of the two numbers.