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The GCF of 660 and 645 is 15.
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Find HCF of: 1320 & 1290 1980 & 1935 220 & 215 3300 & 3225 132 & 129 4620 & 4515 1320 & 645 660 & 1290 1980 & 645 660 & 1935 3300 & 645 660 & 3225 4620 & 645 660 & 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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