3 is the greatest common factor of 21, 27, and 51
The GCF is 3.
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The GCF is 3.
The greatest common factor of 21 and 54 is 3. The greatest common factor is the highest number that divides exactly into two or more numbers. factors of 21: 1, 3, 7, 21 factors of 54: 1, 2, 3, 6, 9, 18, 27, 54 The greatest common factor of 21 and 54 is 3.
the greatest common factor for 27 and 32 is 1
The greatest common factor of 27 and 35 is 1