709-2011
Thursday, June 14, 2012
Divisibility rules
0
- ends in zero
1
- all numbers
2
- even numbers
3
- sum of the digits is 3
4
- divisible by 2 twice
5
- ends in a 0m or 5
6
- divisible by 2 and 3
8
- divisible by 2 thrice
9
- sum of the digits is 9
10
-ends in 0
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