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The GCF of 20 and 3969 is 1.
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Find HCF of: 40 & 7938 40 & 3969 20 & 7938 60 & 3969 100 & 3969 140 & 3969
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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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