The GCF is 1.
The GCF is 5.
5
5 (leaves you with 2, 4 and 7)
The greatest common factor (usually abbreviated GCF) of 15, 35, and 20, is 5.
The answer is 5.
The GCF is 35.
5=5x1 35=5x7 HCF=5
The GCF is 7.
You need at least two numbers to find a GCF.
The HCF is 7.
It is: 35
The HCF is 7.