Sunday, June 17, 2012

The divisibility rules

The rules show when a number is divisible by that number
0- when the number ends in 0
1- All numbers
2- All even numbers
3- If the sum of all the digits equal to something that can be divided by 3, it is.
4- It's divisible by two twice
5- If it ends in 5 or 0.
6- If it is divisible by 2 and 3
8- If divisible by 2 thrice.
9- If the sum of the digits is divisible by 9
10- ends in 0

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