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The GCF of 21 and 1601 is 1.
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Find HCF of: 42 & 3202 63 & 4803 105 & 8005 42 & 1601 21 & 3202 63 & 1601 21 & 4803 105 & 1601 21 & 8005 147 & 1601
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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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