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The GCF of 21 and 3393 is 3.
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Find HCF of: 42 & 6786 7 & 1131 42 & 3393 21 & 6786 63 & 3393 105 & 3393 147 & 3393
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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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