The GCF is 1.
The GCF is 3.
The GCF is 3.
The GCF is 9.
The GCF is 3.
The GCF is 3.
The GCF is 3.
GCF of 9and 3 = 3Prime factorization of:9 = 3 * 33 = 3========GCF=3
The GCF is 3.
The GCF of 9 and 15 is 3.
The GCF is 35.
The GCF is 7.
The GCF of 9 and 15 is 3. You are left with 3 and 5 respectively from division. You can find no further CFs aside from 1.