The greatest common factor of 63 and 195 is 3.
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The GCF of 63 and 75 is 3.
The prime factorization of 63 is 3*3*7.
The prime factorization of 75 is 3*5*5.
Thus, their GCF is 3.
The greatest common factor of 63 and 135 is 9.
The Greatest Common Factor of 21, 63, 84: 21
Greatest common factor for 35 and 63 and 84 is 7.
The greatest common factor of 63, 84, and 105 is 21.
Since 7 is a factor of 63, it is automatically the GCF.