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The GCF of 640 and 6720 is 320.
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Find HCF of: 320 & 3360 128 & 1344 1280 & 6720 1920 & 6720 3200 & 6720 4480 & 6720
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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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