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The GCF of 81 and 51 is 3.
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Find HCF of: 162 & 102 243 & 153 27 & 17 405 & 255 567 & 357 162 & 51 81 & 102 243 & 51 81 & 153 405 & 51 81 & 255 567 & 51 81 & 357
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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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