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Divisibility Rules

Divisibility rules for 2, 3, 4, 5, 6, 9, 10.

Divisibility rule for?Answer
2 A number is divisible by 2 if it ends in a 0,2,4,6, or 8.
3 and 9 A number is divisible by 3 or 9 if the sum of its digits is divisible by 3 or 9.
4 A number is divisible by 4 if its last two digits are divisible by 4, or if it ends in double zeros (00).
5 A number is divisible by 5 if it ends in a 0 or 5.
6 A number is divisible by 6 if it is divisible by BOTH 2 and 3.
10 A number is divisible by 10 if it ends in a zero (0).
Created by: digger9800
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