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The GCF of 390 and 810 is 30.
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Find HCF of: 780 & 1620 195 & 405 1170 & 2430 130 & 270 1950 & 4050 78 & 162 2730 & 5670 780 & 810 390 & 1620 1170 & 810 390 & 2430 1950 & 810 390 & 4050 2730 & 810 390 & 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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