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2-2 GCF (Greatest Common Factor)

2-2 GCF (Greatest Common Factor). Review: Listing Factors List factors of 24: Review: Prime Factorization  24. New Material: GC F: The greatest common factor is the largest number that can be divided evenly into the

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2-2 GCF (Greatest Common Factor)

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  1. 2-2 GCF (Greatest Common Factor) Review: Listing Factors List factors of 24: Review: Prime Factorization  24

  2. New Material: GCF: The greatest common factor is the largest number that can be divided evenly into the given numbers. It's useful in reducing fractions. Two ways to find the GCF: Listing method Modified Listing method

  3. Use the listing method to find the GCF: list the factors of 20 list the factors of 24 find the largest factor they have in common Find the GCF of 20,24 20: 24:

  4. Use the Modified listing method to find the GCF Steps: list the factors of 20 start with the largest factor of 20 and check to see if it also a factor of 24 If not, try the next factor 1.) Find the GCF of 20,24

  5. 2.) Find the GCF of 33, 44 3.) Find the GCF of 48, 32

  6. Demonstrate Understanding: Find the GCF use either method 1.) Find the GCF 7,16 2.) Find the GCF of 75, 90 

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