The greatest common factor of 105 and 147 is 21
The greatest common factor of 84 and 105 is 21.
The greatest common factor of 63, 84, and 105 is 21.
The greatest common factor of 105, 126, and 210 is 21
The GCF for 21, 63, and 105 is 21.
3The GCF is: 2121.The GCF is 21.
Answer: 21
21
The GCF is 21.
The GCF is 21.
The GCF is 21.
The GCF is 21.