The GCF is 1.
The Greatest Common Factor of 21, 63, 84: 21
The greatest common factor of 21 and 63 is 21.Since 21 is a factor of 63, it is automatically the GCF.
The greatest common factor of 63, 84, and 105 is 21.
The GCF is 7.
Because 21 is a factor of 63. 21 is the greatest factor of 21. A larger number doesn't exist.
The greatest common factor of 63 and 147 is 21.
The greatest common factor of 63 , 84 = 21
The GCF is 21.
3The GCF is: 2121.The GCF is 21.
21
21
21