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The GCF of 420 and 4000 is 20.
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Find HCF of: 840 & 8000 210 & 2000 84 & 800 840 & 4000 420 & 8000 1260 & 4000 2100 & 4000 2940 & 4000
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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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