Greatest Common Factor

Front

What is the Greatest Common Factor (GCF)?

Back

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

Front

How do you find the GCF of two numbers?

Back

1. List the factors of each number. 2. Identify the common factors. 3. The largest of these common factors is the GCF.

Front

What is the GCF of 15 and 36?

Back

3

Front

Kiara baked 30 oatmeal cookies and 48 chocolate chip cookies. If she wants to divide them into identical containers with the greatest number of cookies possible, how many containers does she need?

Back

6

Front

What is the GCF of 8 and 10?

Back

2

Front

What is the GCF of 18 and 24?

Back

6

Front

What is the GCF of 18 and 45?

Back

9

Front

What are factors?

Back

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

Front

What is a common factor?

Back

A common factor is a factor that is shared by two or more numbers.

Front

What is the relationship between GCF and prime factorization?

Back

The GCF can be found by identifying the common prime factors of the numbers and multiplying them together.