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The GCF of 81 and 991 is 1.
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Find HCF of: 162 & 1982 243 & 2973 405 & 4955 567 & 6937 162 & 991 81 & 1982 243 & 991 81 & 2973 405 & 991 81 & 4955 567 & 991 81 & 6937
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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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