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The GCF of 21 and 47 is 1.
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Find HCF of: 42 & 94 63 & 141 105 & 235 147 & 329 42 & 47 21 & 94 63 & 47 21 & 141 105 & 47 21 & 235 147 & 47 21 & 329
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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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