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The GCF of 640 and 9420 is 20.
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Find HCF of: 320 & 4710 128 & 1884 1280 & 9420 1920 & 9420 3200 & 9420 4480 & 9420
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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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