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The GCF of 840 and 399 is 21.
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Find HCF of: 1680 & 798 2520 & 1197 280 & 133 4200 & 1995 5880 & 2793 120 & 57 1680 & 399 840 & 798 2520 & 399 840 & 1197 4200 & 399 840 & 1995 5880 & 399 840 & 2793
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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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