If you mean 66, 12, 11 and 43 then the highest common factor is 1 because 11 and 43 are prime numbers.
95 and 115's highest common factor is five.
The GCF is 2.
64 and 40's highest common factor is eight.
The GCF is 7.
The highest common factor is 9
The highest common is 2
Highest common factor is 7.
The Highest Common Factor is: 4
The highest common factor is: 20
The highest common factor is 7.
The highest common factor is 35.
The highest common factor is 7.
The Highest Common Factor is: 9
What is the highest common factor of 33, 3 and 99
The highest common factor (HCF) is 12.
7The highest common factor is 7
The highest common factor is 3.