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The GCF of 20 and 648 is 4.
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Find HCF of: 40 & 1296 10 & 324 60 & 1944 100 & 3240 140 & 4536 40 & 648 20 & 1296 60 & 648 20 & 1944 100 & 648 20 & 3240 140 & 648 20 & 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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