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The GCF of 81 and 1638 is 9.
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Find HCF of: 162 & 3276 243 & 4914 27 & 546 405 & 8190 162 & 1638 81 & 3276 243 & 1638 81 & 4914 405 & 1638 81 & 8190 567 & 1638
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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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