DIVISIBILITY RULES Divisibility rule for 2 A number is divisible by 2 if the ones digit of the number is 2, 4, 6, 8 or 0. Example: a. 238 b. 860 Divisibility rule for 5 A number is divisible by 5 if the ones digit of the number is 0 or 5. Example: a. 660 b. 315 Divisibility rule for 10 A number is divisible by 10 if the ones digit of the number Is 0. Example: a. 530 b. 1940 c. 205,640