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The GCF of 640 and 830 is 10.
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Find HCF of: 1280 & 1660 320 & 415 1920 & 2490 3200 & 4150 128 & 166 4480 & 5810 1280 & 830 640 & 1660 1920 & 830 640 & 2490 3200 & 830 640 & 4150 4480 & 830 640 & 5810
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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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