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The GCF of 3402 and 3420 is 18.
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Find HCF of: 6804 & 6840 1701 & 1710 1134 & 1140 6804 & 3420 3402 & 6840
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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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