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The GCF of 390 and 390 is 390.
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Find HCF of: 780 & 780 195 & 195 1170 & 1170 130 & 130 1950 & 1950 78 & 78 2730 & 2730 780 & 390 390 & 780 1170 & 390 390 & 1170 1950 & 390 390 & 1950 2730 & 390 390 & 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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