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The GCF of 28 and 1999 is 1.
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Find HCF of: 56 & 3998 84 & 5997 140 & 9995 56 & 1999 28 & 3998 84 & 1999 28 & 5997 140 & 1999 28 & 9995 196 & 1999
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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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