Greatest Common Factor

Front

What is the Greatest Common Factor (GCF)?

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

1. List the factors of each number. 2. Identify the common factors. 3. Choose the largest common factor.

Front

What are the factors of 12?

Back

1, 2, 3, 4, 6, 12

Front

What is the GCF of 16 and 18?

Back

2

Front

What is the GCF of 12 and 48?

Back

12

Front

What are the factors of 25?

Back

1, 5, 25

Front

What is the GCF of 15 and 36?

Back

3

Front

List the steps to find the GCF using prime factorization.

Back

1. Find the prime factors of each number. 2. Identify the common prime factors. 3. Multiply the common prime factors.

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 LCM?

Back

The GCF is the largest common factor, while the LCM (Least Common Multiple) is the smallest common multiple of two or more numbers.