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The GCF of 20 and 109 is 1.
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Find HCF of: 40 & 218 60 & 327 100 & 545 140 & 763 40 & 109 20 & 218 60 & 109 20 & 327 100 & 109 20 & 545 140 & 109 20 & 763
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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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