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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