The GCF is 1.
The highest common factor is: 20
The highest common factor of 12 and 20 is 4.
The highest common factor of 36 and 20 is 4
The highest common factor is 5
The highest common factor (HCF) is 10.
The greatest common factor (or highest common factor) is the highest number that divides exactly into two or more numbers. 20: 1, 2, 4, 5, 10, 20 30: 1, 2, 3, 5, 6, 10, 15, 30 The highest common factor of 20 and 30 is 10.
20 and 24's highest common factor is four.
The HCF is:20
The highest common factor of 812 and 20 is 4
The least common factor is 1 but the highest common factor is 4
100 and 180's highest common factor is 20.
4