Question

find the highest common factor of 80 and 20​

Answer 1

Answer:

20

Step-by-step explanation:

The Greatest Common Factor (GCF) for 20 and 80, notation CGF(20,80), is 20. Explanation: The factors of 20 are 1,2,4,5,10,20; The factors of 80 are 1,2,4,5,8,10,16,20,40,80.

Answer 2

Answer:

20

Step-by-step explanation:

The factors of 20 are: 1, 2, 4, 5, 10, 20

The factors of 80 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Then the greatest common factor is 20.