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The GCF of 21 and 200 is 1.
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Find HCF of: 42 & 400 63 & 600 105 & 1000 147 & 1400 42 & 200 21 & 400 63 & 200 21 & 600 105 & 200 21 & 1000 147 & 200 21 & 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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