Solutions by everydaycalculation.com
The GCF of 21 and 1421 is 7.
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Find HCF of: 42 & 2842 63 & 4263 105 & 7105 147 & 9947 3 & 203 42 & 1421 21 & 2842 63 & 1421 21 & 4263 105 & 1421 21 & 7105 147 & 1421 21 & 9947
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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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