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The GCF of 21 and 2815 is 1.
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Find HCF of: 42 & 5630 63 & 8445 42 & 2815 21 & 5630 63 & 2815 21 & 8445 105 & 2815 147 & 2815
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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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