Only the number 1.
1 +1
The multiples of each number from 1-30.
1 and 53
1, 61.
1, 71.
Only the number 1.
Only the number 1.
1 and 23 can go into 23. 1, 2, 3, 4, 6, 8, 12, and 24 can go into 24. The only number that can go into both of them evenly is ' 1 '.
The hcf of both numbers is just 1
1 can't go into 0. No number can go into zero. 0
51 is a Prime number, so only 1 and 51 can go into it.