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The GCF of 21 and 2689 is 1.
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Find HCF of: 42 & 5378 63 & 8067 42 & 2689 21 & 5378 63 & 2689 21 & 8067 105 & 2689 147 & 2689
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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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