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The GCF of 81 and 77 is 1.
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Find HCF of: 162 & 154 243 & 231 405 & 385 567 & 539 162 & 77 81 & 154 243 & 77 81 & 231 405 & 77 81 & 385 567 & 77 81 & 539
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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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