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The GCF of 660 and 810 is 30.
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Find HCF of: 1320 & 1620 330 & 405 1980 & 2430 220 & 270 3300 & 4050 132 & 162 4620 & 5670 1320 & 810 660 & 1620 1980 & 810 660 & 2430 3300 & 810 660 & 4050 4620 & 810 660 & 5670
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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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