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The GCF of 20 and 1728 is 4.
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Find HCF of: 40 & 3456 10 & 864 60 & 5184 100 & 8640 40 & 1728 20 & 3456 60 & 1728 20 & 5184 100 & 1728 20 & 8640 140 & 1728
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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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