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The GCF of 660 and 1290 is 30.
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Find HCF of: 1320 & 2580 330 & 645 1980 & 3870 220 & 430 3300 & 6450 132 & 258 4620 & 9030 1320 & 1290 660 & 2580 1980 & 1290 660 & 3870 3300 & 1290 660 & 6450 4620 & 1290 660 & 9030
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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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