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The GCF of 639 and 671 is 1.
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Find HCF of: 1278 & 1342 1917 & 2013 3195 & 3355 4473 & 4697 1278 & 671 639 & 1342 1917 & 671 639 & 2013 3195 & 671 639 & 3355 4473 & 671 639 & 4697
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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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