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The GCF of 420 and 6440 is 140.
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Find HCF of: 210 & 3220 84 & 1288 60 & 920 840 & 6440 1260 & 6440 2100 & 6440 2940 & 6440
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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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