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The GCF of 21 and 3390 is 3.
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Find HCF of: 42 & 6780 7 & 1130 42 & 3390 21 & 6780 63 & 3390 105 & 3390 147 & 3390
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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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