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The GCF of 81 and 306 is 9.
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Find HCF of: 162 & 612 243 & 918 27 & 102 405 & 1530 567 & 2142 162 & 306 81 & 612 243 & 306 81 & 918 405 & 306 81 & 1530 567 & 306 81 & 2142
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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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