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The GCF of 28 and 3420 is 4.
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Find HCF of: 56 & 6840 14 & 1710 56 & 3420 28 & 6840 84 & 3420 140 & 3420 196 & 3420
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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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