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The GCF of 648 and 390 is 6.
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Find HCF of: 1296 & 780 324 & 195 1944 & 1170 216 & 130 3240 & 1950 4536 & 2730 1296 & 390 648 & 780 1944 & 390 648 & 1170 3240 & 390 648 & 1950 4536 & 390 648 & 2730
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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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