The HCF of the given two numbers is 4
2 goes evenly into 4 and 28
21
4
The HCF is 4
2 2 goes into any even number right away evenly. In this case though, the highest number would be 4.
1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500.
Just 1.
1, 2, 4.
1, 2, 4.
1, 2, 4
1 goes into 5 and 4 evenly.
The only whole number that does that is ' 1 '.