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