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The GCF of 21 and 3591 is 21.
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Find HCF of: 42 & 7182 7 & 1197 3 & 513 42 & 3591 21 & 7182 63 & 3591 105 & 3591 147 & 3591
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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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