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The GCF of 639 and 840 is 3.
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Find HCF of: 1278 & 1680 1917 & 2520 213 & 280 3195 & 4200 4473 & 5880 1278 & 840 639 & 1680 1917 & 840 639 & 2520 3195 & 840 639 & 4200 4473 & 840 639 & 5880
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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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