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The GCF of 81 and 91 is 1.
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Find HCF of: 162 & 182 243 & 273 405 & 455 567 & 637 162 & 91 81 & 182 243 & 91 81 & 273 405 & 91 81 & 455 567 & 91 81 & 637
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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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