0
Anonymous
1
Wiki User
1, 3, 7, 21.
The number 7
Each of these numbers will go evenly into 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84.
3
60
2..
Any of its multiples
The hcf is 21
3.00