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The GCF of 21 and 1609 is 1.
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Find HCF of: 42 & 3218 63 & 4827 105 & 8045 42 & 1609 21 & 3218 63 & 1609 21 & 4827 105 & 1609 21 & 8045 147 & 1609
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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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