Solution
The factors of 108 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108. From greatest to least, check if each factor divides evenly into 132.
108 does not divide evenly into 132.
54 does not divide evenly into 132.
36 does not divide evenly into 132.
27 does not divide evenly into 132.
18 does not divide evenly into 132.
12 divides evenly into 132. Therefore, 12 is the GCF.Factors of 132: 1, 2, 3, 4, 6, 11, 12, 22, 33, 66, 132
Factors of 108: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108
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