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The GCF of 21 and 4407 is 3.
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Find HCF of: 42 & 8814 7 & 1469 42 & 4407 21 & 8814 63 & 4407 105 & 4407 147 & 4407
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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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