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The GCF of 21 and 1478 is 1.
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Find HCF of: 42 & 2956 63 & 4434 105 & 7390 42 & 1478 21 & 2956 63 & 1478 21 & 4434 105 & 1478 21 & 7390 147 & 1478
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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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