Solutions by everydaycalculation.com
The GCF of 21 and 1980 is 3.
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Find HCF of: 42 & 3960 63 & 5940 7 & 660 105 & 9900 42 & 1980 21 & 3960 63 & 1980 21 & 5940 105 & 1980 21 & 9900 147 & 1980
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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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