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The GCF of 840 and 643 is 1.
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Find HCF of: 1680 & 1286 2520 & 1929 4200 & 3215 5880 & 4501 1680 & 643 840 & 1286 2520 & 643 840 & 1929 4200 & 643 840 & 3215 5880 & 643 840 & 4501
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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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