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The GCF of 81 and 645 is 3.
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Find HCF of: 162 & 1290 243 & 1935 27 & 215 405 & 3225 567 & 4515 162 & 645 81 & 1290 243 & 645 81 & 1935 405 & 645 81 & 3225 567 & 645 81 & 4515
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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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