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The GCF of 390 and 645 is 15.
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Find HCF of: 780 & 1290 1170 & 1935 130 & 215 1950 & 3225 78 & 129 2730 & 4515 780 & 645 390 & 1290 1170 & 645 390 & 1935 1950 & 645 390 & 3225 2730 & 645 390 & 4515
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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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