0
Anonymous
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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
Any of its multiples
2..
The hcf is 21
3 and 1.
It is: 252