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The GCF of 81 and 648 is 81.
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Find HCF of: 162 & 1296 243 & 1944 27 & 216 405 & 3240 567 & 4536 162 & 648 81 & 1296 243 & 648 81 & 1944 405 & 648 81 & 3240 567 & 648 81 & 4536
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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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