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The GCF of 990 and 420 is 30.
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Find HCF of: 1980 & 840 495 & 210 2970 & 1260 330 & 140 4950 & 2100 198 & 84 6930 & 2940 1980 & 420 990 & 840 2970 & 420 990 & 1260 4950 & 420 990 & 2100 6930 & 420 990 & 2940
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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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