The number is infinite.
17 is prime and 68 is 17 times 4, so the number that can go into 17 and 68 is 17.
Highest number that can go into the numerator and denominator.
4
Not evenly
120
1, 2, 4, 17, 34, 68.
The number 68 goes into the number 100 1 time. It has a remainder of 32.
The highest number to go up to is infinity because it never stops.
8, 5 and 3 can all go into 120 evenly.
There is no highest whole number because they go on for ever.
The number 2.
It is two.