These all do: 1, 2, 7, 14, 47, 94, 329, 658.
Nothing can go evenly into 21 or 17. They are both odd numbers and therefore cannot be evenly divided.
1,2,4,8,16,32
255
1,3,5,9,15,45
These numbers go into 634 evenly: 1, 2, 317, 634.
no numbers!
644, 658, 672.
Nothing can go evenly into 21 or 17. They are both odd numbers and therefore cannot be evenly divided.
The numbers that go into 30 are1, 2, 3, 5, 30, 15, 10, 6
There are infinte amount of answers to that question, like: 640 + 18 = 658 201 + 457 = 658 303.5 + 354.5 = 658
60.5
1,2,3,6,7
11,6,1,2,33
n
2,4,7
1,2,4,8,16,32
255