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The GCF of 645 and 63 is 3.
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Find HCF of: 1290 & 126 1935 & 189 215 & 21 3225 & 315 4515 & 441 1290 & 63 645 & 126 1935 & 63 645 & 189 3225 & 63 645 & 315 4515 & 63 645 & 441
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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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