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The GCF of 42 and 4140 is 6.
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Find HCF of: 84 & 8280 21 & 2070 14 & 1380 84 & 4140 42 & 8280 126 & 4140 210 & 4140 294 & 4140
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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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