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The GCF of 645 and 1890 is 15.
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Find HCF of: 1290 & 3780 1935 & 5670 215 & 630 3225 & 9450 129 & 378 1290 & 1890 645 & 3780 1935 & 1890 645 & 5670 3225 & 1890 645 & 9450 4515 & 1890
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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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