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The GCF of 689 and 138 is 1.
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Find HCF of: 1378 & 276 2067 & 414 3445 & 690 4823 & 966 1378 & 138 689 & 276 2067 & 138 689 & 414 3445 & 138 689 & 690 4823 & 138 689 & 966
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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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