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The GCF of 66 and 63 is 3.
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Find HCF of: 132 & 126 198 & 189 22 & 21 330 & 315 462 & 441 132 & 63 66 & 126 198 & 63 66 & 189 330 & 63 66 & 315 462 & 63 66 & 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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