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The GCF of 21 and 285 is 3.
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Find HCF of: 42 & 570 63 & 855 7 & 95 105 & 1425 147 & 1995 42 & 285 21 & 570 63 & 285 21 & 855 105 & 285 21 & 1425 147 & 285 21 & 1995
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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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