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The GCF of 421 and 3639 is 1.
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Find HCF of: 842 & 7278 842 & 3639 421 & 7278 1263 & 3639 2105 & 3639 2947 & 3639
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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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