11
It is: 11
The GCF is 11.
The GCF is 11.
The GCF is 1.
The highest common factor (HCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The highest factor of any number is itself.
If that's 55, 132 and 143, the GCF is 11.
11
55 and 145's highest common factor is five.
The GCF is 1.
The GCF is 11.
11