Each of these numbers will go evenly into 18: 1, 2, 3, 6, 9, 18.
The only two numbers that go into 18 and 50 evenly are one and two.
The numbers 1 and 3.
The number 18 can be evenly divided by the numbers 1, 2, 3, 6, 9, and 18 itself.
The numbers that go into both 18 and 54 evenly are 1, 2, 3, 6, 9, 18.
1, 2, 3, 6.
Because it's the largest number that can go into both of those numbers evenly with no remainder.
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180.
no numbers!
1, 2, 3, 4, 6, 9, 12, 18, 36
Any of its multiples
1, 2, 3, 6, 9, 18 go into 18 evenly.