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The GCF of 42 and 255 is 3.
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Find HCF of: 84 & 510 126 & 765 14 & 85 210 & 1275 294 & 1785 84 & 255 42 & 510 126 & 255 42 & 765 210 & 255 42 & 1275 294 & 255 42 & 1785
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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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