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The GCF of 810 and 210 is 30.
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Find HCF of: 1620 & 420 405 & 105 2430 & 630 270 & 70 4050 & 1050 162 & 42 5670 & 1470 1620 & 210 810 & 420 2430 & 210 810 & 630 4050 & 210 810 & 1050 5670 & 210 810 & 1470
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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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