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