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The GCF of 21 and 4115 is 1.
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Find HCF of: 42 & 8230 42 & 4115 21 & 8230 63 & 4115 105 & 4115 147 & 4115
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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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