The greatest common factor of 68 and 480 is 4.
The Greatest Common Factor (GCF) of 8 and 68 is: 4
17 and 4 have a difference of 13 and is a factor pair of 68
The GCF of 68 and 212 is 4.
Since 17 is a factor of 68, it is automatically the GCF.
factor tree of 68:(68) = 2 * (34)(34) = 2 * 17so prime factors are 2 * 2 * 17
68 34,2 17,2,2
68 34,2 17,2,2
68 34,2 17,2,2
68 34,2 17,2,2
68 34,2 17,2,2 2^2 x 17 = 68
It looks like an upside-down tree - which is how it gets its name.
68 34,2 17,2,2 2^2 x 17 = 68
68 34,2 17,2,2 2 x 2 x 17 = 68
68 /\ 2 34 /\ 2 17
68 is.
Since 17 is a factor of 68, it is automatically the GCF.