The GCF is 3.
It is: 15
It is: 5
The GCF of 9 and 15 is 3.
1 and 3
The LCM is: 180
The greatest common factor of 15 and 105 is 15.
There is no common factor
Greatest common factor of 15 and 60 is 15.
1 and the highest common factor is 15
The GCF is 15.
Since 15 is a factor of 60, it is automatically the GCF.
Since 15 is a factor of 45, and 15's largest factor cannot be larger than itself, the greatest common factor of 15 and 45 is 15.