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The GCF of 21 and 107 is 1.
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Find HCF of: 42 & 214 63 & 321 105 & 535 147 & 749 42 & 107 21 & 214 63 & 107 21 & 321 105 & 107 21 & 535 147 & 107 21 & 749
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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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