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The GCF of 20 and 121 is 1.
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Find HCF of: 40 & 242 60 & 363 100 & 605 140 & 847 40 & 121 20 & 242 60 & 121 20 & 363 100 & 121 20 & 605 140 & 121 20 & 847
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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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