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The GCF of 21 and 841 is 1.
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Find HCF of: 42 & 1682 63 & 2523 105 & 4205 147 & 5887 42 & 841 21 & 1682 63 & 841 21 & 2523 105 & 841 21 & 4205 147 & 841 21 & 5887
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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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