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The GCF of 686 and 1620 is 2.
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Find HCF of: 1372 & 3240 343 & 810 2058 & 4860 3430 & 8100 1372 & 1620 686 & 3240 2058 & 1620 686 & 4860 3430 & 1620 686 & 8100 4802 & 1620
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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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