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The GCF of 21 and 3107 is 1.
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Find HCF of: 42 & 6214 63 & 9321 42 & 3107 21 & 6214 63 & 3107 21 & 9321 105 & 3107 147 & 3107
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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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