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The GCF of 80 and 81 is 1.
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Find HCF of: 160 & 162 240 & 243 400 & 405 560 & 567 160 & 81 80 & 162 240 & 81 80 & 243 400 & 81 80 & 405 560 & 81 80 & 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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