Greatest Common Factor

Greatest Common Factor PowerPoint PPT Presentation


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Greatest Common Factor (GCF). The greatest common factor is the largest factor that two numbers share.Let's find the GCF of 12 and 42. First, we need to make a list of factors for each number.. 12 . . 1 x 12 . 2 x 6. 3 x 4. 4 x 3. . Factors of 12:1, 2, 3, 4, 6,12. 42. . 1 x 42. 2 x 21. 3 x 14.

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Greatest Common Factor

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1. Greatest Common Factor Lesson 3-3

2. Greatest Common Factor (GCF) The greatest common factor is the largest factor that two numbers share. Let’s find the GCF of 12 and 42. First, we need to make a list of factors for each number.

4. What is the GCF of 18 and 27?

5. What is the GCF of 48 and 60?

6. Using Prime Factorization

7. Example: GCF of 27 and 36

8. Homework Time

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