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The GCF of 42 and 3420 is 6.
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Find HCF of: 84 & 6840 21 & 1710 14 & 1140 84 & 3420 42 & 6840 126 & 3420 210 & 3420 294 & 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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