The GCF is the greatest factor that two or more numbers have in common.
List the factors of 16 and 24:
16: 1,2,4,8,16
24: 1,2,3,4,6,8,12,24
The two numbers have 1,2,and 8 in common. Since 8 is the greatest factor in common, it is the GCF.
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The greatest common factor (GCF) of 16 and 24 is 8.
The factors of 16 are: 1, 2, 4, 8, 16
The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24
The common factors are: 1, 2, 4, 8
The GCF is 8.
The word "GREATEST" is a superlative adjective and that means there can be only one.GCF(16, 24) = 8.