Solutions by everydaycalculation.com
The GCF of 280 and 820 is 20.
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Find HCF of: 560 & 1640 140 & 410 840 & 2460 1400 & 4100 56 & 164 1960 & 5740 560 & 820 280 & 1640 840 & 820 280 & 2460 1400 & 820 280 & 4100 1960 & 820 280 & 5740
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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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