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The GCF of 84 and 6405 is 21.
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Find HCF of: 28 & 2135 12 & 915 168 & 6405 252 & 6405 420 & 6405 588 & 6405
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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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