The GCF is 5.
The GCF of 20 and 40 is 20 The GCF of 15 and 30 is 15 The GCF of 15, 20, 30 and 40 is 5.
The GCF is 1.
The GCF of 15, 20, and 30 is 5.5
The GCF is 15.
The GCF for 15 30 45 is 15.The GCF is 15.It is: 15
Since 15 is a factor of 30, it is automatically the GCF of 15 and 30.
gcf(20, 30, 90) = 10
The GCF is 15.
The greatest common factor (GCF) of 15, 30, 90 is 15.
The GCF is 15.
They are: gcf = 15 and LCM = 30