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The GCF of 20 and 3990 is 10.
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Find HCF of: 40 & 7980 10 & 1995 4 & 798 40 & 3990 20 & 7980 60 & 3990 100 & 3990 140 & 3990
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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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