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The GCF of 21 and 2580 is 3.
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Find HCF of: 42 & 5160 63 & 7740 7 & 860 42 & 2580 21 & 5160 63 & 2580 21 & 7740 105 & 2580 147 & 2580
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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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