It is 5 because: 35-1,5,7,35 20-1,2,4,5,10,20 & 15-1,3,5,15
The GCF is 5.
The GCF of 35 a^2 and 85ab is 5a. The GCF of 35 and 85 is 5, and the GCF of a squared and ab is a.
The GCF for 20 45 75 is 5.
The GCF is 5.
The GCF is 5.
The GCF is 5.
The GCF is 5.
The GCF is 5.
The GCF is 5.
The GCF of 5 and 20 is 20 The GCF is 5. Since 5 is a factor of 20, it is automatically the GCF.The GCF is 5.
The GCF is 5.