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The GCF of 840 and 1638 is 42.
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Find HCF of: 1680 & 3276 420 & 819 2520 & 4914 280 & 546 4200 & 8190 120 & 234 1680 & 1638 840 & 3276 2520 & 1638 840 & 4914 4200 & 1638 840 & 8190 5880 & 1638
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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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