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The GCF of 28 and 648 is 4.
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Find HCF of: 56 & 1296 14 & 324 84 & 1944 140 & 3240 196 & 4536 56 & 648 28 & 1296 84 & 648 28 & 1944 140 & 648 28 & 3240 196 & 648 28 & 4536
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The greatest common factor (GCF) is also known as greatest common divisor (GCD) or highest common factor (HCF).
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