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The GCF of 420 and 1378 is 2.
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Find HCF of: 840 & 2756 210 & 689 1260 & 4134 2100 & 6890 2940 & 9646 840 & 1378 420 & 2756 1260 & 1378 420 & 4134 2100 & 1378 420 & 6890 2940 & 1378 420 & 9646
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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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