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
1,3,5,9,15,45
255
These numbers go into 634 evenly: 1, 2, 317, 634.
Called 'factors', the positive, whole numbers that go into 612 evenly are: 1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306 and 612.
no numbers!
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
60.5
1,2,3,6,7
11,6,1,2,33
n
2,4,7
1,2,4,8,16,32
1,3,5,9,15,45
255