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The GCF of 690 and 420 is 30.
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Find HCF of: 1380 & 840 345 & 210 2070 & 1260 230 & 140 3450 & 2100 138 & 84 4830 & 2940 1380 & 420 690 & 840 2070 & 420 690 & 1260 3450 & 420 690 & 2100 4830 & 420 690 & 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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