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Find the Greatest Common Factor (GCF) of 12 and 18.
Study the solution below.
Method 1: By listing the factors of 12 and 18
Factors of 12: 1,2,3,4,6, and 12
Factors of 18: 1,2,3,6,9, and 18
By finding the common factors of 12 and 18
Common factors of 12 and 18: 1.2,3 and 6​