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The GCF of 21 and 106 is 1.
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Find HCF of: 42 & 212 63 & 318 105 & 530 147 & 742 42 & 106 21 & 212 63 & 106 21 & 318 105 & 106 21 & 530 147 & 106 21 & 742
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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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