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Chapter 5.2

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Chapter 5.2

1. 1. Chapter 5.2 Greatest Common Factor Objective: Find the greatest common factor of two or more numbers. Joseph Williams Melvin E Sine Elementary [email_address]
2. 2. Vocabulary Common Factor – p. 222 - a whole number that is a factor of two or more nonzero whole numbers. Greatest Common Factor – p. 222 - the largest of the common factors of two or more nonzero whole numbers.
3. 3. Finding the GCF Method 1 List all the factors of each number. Factors of 64: Factors of 120: The common factors are 1, 2, 4, and 8. The GCF is 8 .
4. 4. Finding the GCF Method 2 – Write the prime factorization of the numbers. Find the product of the common prime factors. 64 120
5. 5. Your Turn Now Find the GCF of the following numbers. 1.) 14 and 35 2.) 16 and 36 3.) 4, 6, and 8