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The GCF of 81 and 660 is 3.
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Find HCF of: 162 & 1320 243 & 1980 27 & 220 405 & 3300 567 & 4620 162 & 660 81 & 1320 243 & 660 81 & 1980 405 & 660 81 & 3300 567 & 660 81 & 4620
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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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