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The GCF of 42 and 660 is 6.
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Find HCF of: 84 & 1320 21 & 330 126 & 1980 14 & 220 210 & 3300 294 & 4620 84 & 660 42 & 1320 126 & 660 42 & 1980 210 & 660 42 & 3300 294 & 660 42 & 4620
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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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