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 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.
The GCF is 2.