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The GCF of 1980 and 815 is 5.
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Find HCF of: 3960 & 1630 5940 & 2445 9900 & 4075 396 & 163 3960 & 815 1980 & 1630 5940 & 815 1980 & 2445 9900 & 815 1980 & 4075 1980 & 5705
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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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