Greatest Common Factor Intro Quiz

List all of the factors of the following numbers 3× 1× 12 ×6 (including the number 1) 2× 30 ×10 × ×30 1× 5× 3× 2× 4× 120 10× 6× 8× List all of the common numbers on both sides of the line at the bottom in order from least to greatest. 2 17 6 side A , 8 23 44 13 , 11 , 45 12 , 19 9 7 , 11 side B 45 44 12 8 3 2 What factors are common (the same) for the following sets of numbers? 1×8 2×4 List the common factors in order from least to greatest. 8 , 1×18 2×9 3×6 18 1×21 3×7 21 , 2×14 1×28 4×7 28 GCF= 1,2,3,4,5, 6,7,8,9 What is the Greatest Common Factor of each set of numbers? Set #1 2,4,6,8,10 3,4,5,6,7, 8,9,10,11, 12,13 GCF= Set #2 3,6,9,12, 15,18 |

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