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The GCF of 840 and 820 is 20.
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Find HCF of: 1680 & 1640 420 & 410 2520 & 2460 4200 & 4100 168 & 164 5880 & 5740 1680 & 820 840 & 1640 2520 & 820 840 & 2460 4200 & 820 840 & 4100 5880 & 820 840 & 5740
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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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