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The GCF of 840 and 821 is 1.
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Find HCF of: 1680 & 1642 2520 & 2463 4200 & 4105 5880 & 5747 1680 & 821 840 & 1642 2520 & 821 840 & 2463 4200 & 821 840 & 4105 5880 & 821 840 & 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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