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