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The GCF of 640 and 3890 is 10.
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Find HCF of: 1280 & 7780 320 & 1945 128 & 778 1280 & 3890 640 & 7780 1920 & 3890 3200 & 3890 4480 & 3890
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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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