Any of its factors
no numbers!
Nothing can go evenly into 21 or 17. They are both odd numbers and therefore cannot be evenly divided.
Factors of 391: 1, 17, 23, and 391.Factors of 696: 1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 116, 174, 232, 348, and 696.The only whole number that goes into both 391 and 696 evenly is ' 1 ' .
The numbers that go into 30 are1, 2, 3, 5, 30, 15, 10, 6
60.5
11,6,1,2,33
1,2,4,8,16,32
n
2,4,7
1,2,3,6,7
255
1,3,5,9,15,45