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The GCF of 20 and 3409 is 1.
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Find HCF of: 40 & 6818 40 & 3409 20 & 6818 60 & 3409 100 & 3409 140 & 3409
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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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