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The GCF of 840 and 390 is 30.
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Find HCF of: 1680 & 780 420 & 195 2520 & 1170 280 & 130 4200 & 1950 168 & 78 5880 & 2730 1680 & 390 840 & 780 2520 & 390 840 & 1170 4200 & 390 840 & 1950 5880 & 390 840 & 2730
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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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