711-2011
Wednesday, June 13, 2012
divisibility rules
0-end in zero
1-all numbers
2-even numbers
3-sum of the digits is 3
4-divisible by 2 twice
5- ends in a zero or five
6-divisible by 2 and 3
8-divisible by 2 thrice
9- sum of the digits is 9
10- ends in a zero
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