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The GCF of 20 and 200 is 20.
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Find HCF of: 40 & 400 10 & 100 60 & 600 100 & 1000 4 & 40 140 & 1400 40 & 200 20 & 400 60 & 200 20 & 600 100 & 200 20 & 1000 140 & 200 20 & 1400
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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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