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The GCF of 42 and 639 is 3.
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Find HCF of: 84 & 1278 126 & 1917 14 & 213 210 & 3195 294 & 4473 84 & 639 42 & 1278 126 & 639 42 & 1917 210 & 639 42 & 3195 294 & 639 42 & 4473
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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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