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The GCF of 81 and 243 is 81.
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Find HCF of: 162 & 486 243 & 729 27 & 81 405 & 1215 567 & 1701 162 & 243 81 & 486 243 & 243 81 & 729 405 & 243 81 & 1215 567 & 243 81 & 1701
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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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