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The GCF of 1980 and 821 is 1.
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Find HCF of: 3960 & 1642 5940 & 2463 9900 & 4105 3960 & 821 1980 & 1642 5940 & 821 1980 & 2463 9900 & 821 1980 & 4105 1980 & 5747
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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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