The greatest common factor of 21 and 54 is 3. The greatest common factor is the highest number that divides exactly into two or more numbers. factors of 21: 1, 3, 7, 21 factors of 54: 1, 2, 3, 6, 9, 18, 27, 54 The greatest common factor of 21 and 54 is 3.
The GCF of 18, 21, and 54 is 3.
The greatest common factor of 54 and 80 is 2
The greatest common factor 54 and 66 is 23.
The greatest common factor of 54 , 90 = 18
The greatest common factor of 54 and 300 is 6.
The greatest common factor of 33 and 54 is 3.
The greatest common factor of 54 , 61 = 1
the greatest common factor of 16 and 54 is 2
The greatest common factor of 54 and 46 is 2.
The greatest common factor of 54 and 72 is 18.
the greatest common factor of 243 and 54 is 27.