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The GCF of 420 and 1890 is 210.
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Find HCF of: 840 & 3780 210 & 945 1260 & 5670 140 & 630 2100 & 9450 84 & 378 60 & 270 840 & 1890 420 & 3780 1260 & 1890 420 & 5670 2100 & 1890 420 & 9450 2940 & 1890
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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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