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The GCF of 63 and 3990 is 21.
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Find HCF of: 126 & 7980 21 & 1330 9 & 570 126 & 3990 63 & 7980 189 & 3990 315 & 3990 441 & 3990
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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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