The GCF is 400.
The GCF is 1.
The GCF is 25.
The GCF is 25.
The GCF of 15 and 90 is 15.
The GCF is: 4
The GCF is: 4
The GCF is 1.
The greatest common factor of 280 and 400 is 40.The GCF is 40.The GCF is 40.
Since 15 is a factor of 60, it is automatically the GCF.
The GCF is 15.
The GCF is 15.