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The GCF of 21 and 399 is 21.
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Find HCF of: 42 & 798 63 & 1197 7 & 133 105 & 1995 147 & 2793 3 & 57 42 & 399 21 & 798 63 & 399 21 & 1197 105 & 399 21 & 1995 147 & 399 21 & 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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