1-23 divisibility by 2, 4, 8; and 3,6,9, 12 and 5, 10
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Divisibility 3,6,9 and 12
A natural number is divisible by: . 3 if the sum of the digits of the number is divisible by 3 . 6 if the numbers are divisible by 2 and 3. . 9 if the sum of the digits is divisible by 9. . 12 if the number is divisible by 3 and 4.
Divisibility five and 10
A number is divisible by 5 if it ends in 5 or 0. A number is divisible by 10 if it ends in 0.
