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The GCF of 21 and 694 is 1.
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Find HCF of: 42 & 1388 63 & 2082 105 & 3470 147 & 4858 42 & 694 21 & 1388 63 & 694 21 & 2082 105 & 694 21 & 3470 147 & 694 21 & 4858
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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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