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The GCF of 69 and 81 is 3.
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Find HCF of: 138 & 162 207 & 243 23 & 27 345 & 405 483 & 567 138 & 81 69 & 162 207 & 81 69 & 243 345 & 81 69 & 405 483 & 81 69 & 567
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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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