Solutions by everydaycalculation.com
The GCF of 20 and 1620 is 20.
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Find HCF of: 40 & 3240 10 & 810 60 & 4860 100 & 8100 4 & 324 40 & 1620 20 & 3240 60 & 1620 20 & 4860 100 & 1620 20 & 8100 140 & 1620
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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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