40 and 68's highest common factor is four.
The GCF is 4.
The GCF of 40, 54, and 68 is 2.
The GCF is 2.
The GCF is: 44
The LCM is: 680The GCF is: 4
so, if the common factors of 40 and 68 are: 1,2,and 4 that means the greatest common factor is 4
The GCF is 68, the LCM is 68
The GCF is: 34The GCF of 68 and 238 is 34
The GCF is 4.
The GCF is 2.
The GCF is 1.
The GCF is 2.