Since 21 is a factor of 84, it is automatically the GCF.
The Greatest Common Factor of 21, 63, 84: 21
The GCF of 21 and 84 is 21, since it is a factor of 84. The LCM of 21 and 84 is 84, since it is a multiple of 21.
Since 21 is a factor of 84, it is automatically the GCF.
Since 21 is a factor of 84, it is automatically the GCF.
Since 21 is a factor of 84, it is automatically the GCF.
The greatest common factor of the numbers 21 and 84 is 21.
The greatest common factor of 63, 84, and 105 is 21.
The greatest common factor of 84 and 105 is 21.
The greatest common factor of 63 , 84 = 21
Since 21 is a factor of 84, it is automatically the GCF and all of its factors are common.
Since 21 is a factor of 84, all of its factors are common.
Since 21 is a factor of 84, it is automatically the GCF of this problem.