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The GCF of 645 and 195 is 15.
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Find HCF of: 1290 & 390 1935 & 585 215 & 65 3225 & 975 129 & 39 4515 & 1365 1290 & 195 645 & 390 1935 & 195 645 & 585 3225 & 195 645 & 975 4515 & 195 645 & 1365
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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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