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The GCF of 3870 and 421 is 1.
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Find HCF of: 7740 & 842 7740 & 421 3870 & 842 3870 & 1263 3870 & 2105 3870 & 2947
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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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