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Anonymous
GCF of 90 and 75 is 15.
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The GCF is 15.
The greatest common factor of the numbers 45, 75 and 90 is 15.
GCF(75, 90) = 15 75 = 15*5 90 = 15*6 75 + 90 = 15*(5 + 6) = 15*11 = 165.