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The GCF of 645 and 420 is 15.
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Find HCF of: 1290 & 840 1935 & 1260 215 & 140 3225 & 2100 129 & 84 4515 & 2940 1290 & 420 645 & 840 1935 & 420 645 & 1260 3225 & 420 645 & 2100 4515 & 420 645 & 2940
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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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