The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, 105
The factors of 135 are: 1, 3, 5, 9, 15, 27, 45, 135
The factors of 225 are: 1, 3, 5, 9, 15, 25, 45, 75, 225
The common factors are: 1, 3, 5, 15
For 225, 135, 105 the LCM is: 4,725
The GCF is 15.
The GCF is 45.
The GCF is 45.
The GCF is 15.
The GCF is 45.
The GCF is 15.
The GCF is 45.
The GCF is 45.
The GCF is 45.
The GCF is 15.
The GCF is 45.