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The GCF of 80 and 660 is 20.
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Find HCF of: 160 & 1320 40 & 330 240 & 1980 400 & 3300 16 & 132 560 & 4620 160 & 660 80 & 1320 240 & 660 80 & 1980 400 & 660 80 & 3300 560 & 660 80 & 4620
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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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