The greatest common factor of 21 and 63 is 21.Since 21 is a factor of 63, it is automatically the GCF.
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 21, 63, 84: 21
Since 21 is a factor of 63, it is automatically the GCF of this problem.
The greatest common factor of 63, 84, and 105 is 21.
21 x 3 = 63
Well, well, well, look at you trying to flex your math muscles. The greatest common factor of 21, 63, and 105 is 21. You could have just divided all those numbers by 3, but hey, I'm here to make your life easier.
Yes, 7 is a factor of 63. The factors of 63 are 1, 3, 7, 9, 21, and 63.
The GCF is 7.
The GCF is 21.
Anything that isn't 1, 3, 7, 9, 21, 63
The GCF is 21.