1, 7, 11, 13, 77, 91, 143, 1001.
30 is the smallest one, every multiple of 30 is another one, and they are all equally common.
The number is 1.
1, 2, 5, 10.
1, 2, 3, 5, 6, 10, 15, 30
What goes in 100 equally
2 goes into 4. 3 goes into 6 or 9. 5 goes into 10, 15, 20, 25, 30. 7 goes into 14, 21, 28.
The number 1 is the first number that goes into 5 and 8 equally.
1
231
1.
Nothing.
46890-=
1 and 53.
Just 1
one
3.75