There can be only one GCF.
5 and 12 are coprime so GCF(5, 12) = 1
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The greatest common factor of 3, 5, and 12 is 1.
The GCF is 15.
The GCF is 1.
The factors of 5 are: 1, and 5The factors of 10 are: 1, 5, and 10The factors common to 5 and 10 are: 1, and 5The greatest common factor is 5.
The greatest common factor (GCF) is: 5.