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The greatest common factor of 88 and 72 is 8.
The GCF of 72 and 144 is 72. Since 72 is a factor of 144, it is automatically the GCF.
The Greatest Common Factor of 24, 36, 72 is 12.
The greatest common factor of 16 72 and 81 is 1.
The Greatest Common Factor is 6