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The GCF of 21 and 1944 is 3.
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Find HCF of: 42 & 3888 63 & 5832 7 & 648 105 & 9720 42 & 1944 21 & 3888 63 & 1944 21 & 5832 105 & 1944 21 & 9720 147 & 1944
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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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