The GCF is 66.
Factors of 36... 1,2,3,4,6,9,12,18,36. Factors of 65... 1,5,13,65 The only (and therefore greatest common factor is 1
The GCF of 30 and 66 is 6.
The GCF is: 6.
The GCF is 3.
The GCF is 3.
The GCF is 6.
The GCF is 66.
The GCF is 1.
The GCF is 1.
The GCF is 6.
The GCF is 11.