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The GCF of 20 and 686 is 2.
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Find HCF of: 40 & 1372 10 & 343 60 & 2058 100 & 3430 140 & 4802 40 & 686 20 & 1372 60 & 686 20 & 2058 100 & 686 20 & 3430 140 & 686 20 & 4802
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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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