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The GCF of 420 and 644 is 28.
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Find HCF of: 840 & 1288 210 & 322 1260 & 1932 2100 & 3220 2940 & 4508 60 & 92 840 & 644 420 & 1288 1260 & 644 420 & 1932 2100 & 644 420 & 3220 2940 & 644 420 & 4508
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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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