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The GCF of 21 and 2790 is 3.
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Find HCF of: 42 & 5580 63 & 8370 7 & 930 42 & 2790 21 & 5580 63 & 2790 21 & 8370 105 & 2790 147 & 2790
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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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