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The GCF of 81 and 105 is 3.
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Find HCF of: 162 & 210 243 & 315 27 & 35 405 & 525 567 & 735 162 & 105 81 & 210 243 & 105 81 & 315 405 & 105 81 & 525 567 & 105 81 & 735
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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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