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The GCF of 21 and 103 is 1.
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Find HCF of: 42 & 206 63 & 309 105 & 515 147 & 721 42 & 103 21 & 206 63 & 103 21 & 309 105 & 103 21 & 515 147 & 103 21 & 721
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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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