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The GCF of 820 and 3920 is 20.
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Find HCF of: 1640 & 7840 410 & 1960 164 & 784 1640 & 3920 820 & 7840 2460 & 3920 4100 & 3920 5740 & 3920
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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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