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The GCF of 81 and 3420 is 9.
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Find HCF of: 162 & 6840 27 & 1140 162 & 3420 81 & 6840 243 & 3420 405 & 3420 567 & 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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