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The GCF of 642 and 815 is 1.
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Find HCF of: 1284 & 1630 1926 & 2445 3210 & 4075 4494 & 5705 1284 & 815 642 & 1630 1926 & 815 642 & 2445 3210 & 815 642 & 4075 4494 & 815 642 & 5705
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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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