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The GCF of 15 and 1999 is 1.
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Find HCF of: 30 & 3998 45 & 5997 75 & 9995 30 & 1999 15 & 3998 45 & 1999 15 & 5997 75 & 1999 15 & 9995 105 & 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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