The Divisibility Rules for 2, 3, 4, 5, 6, 8, 9, and 10.

A number is divisible by 2 if the last digit is 0, 2, 4, 6, or 8.
A number is divisible by 3 if the sum of its digits is divisible by 3.
A number is divisible by 4 if the two last digits are zeros, or the last two digits form a number divisible by 4.
A number is divisible by 5 if the number ends with 0 or 5.
A number is divisible by 6 if the number is divisible by both 2 and 3.
A number is divisible by 8 if the last three digits are zeros or they form a three-digit number that is divisible by 8.
A number is divisible by 9 if a sum of its digits is divisible by 9.
A number is divisible by 10 if the last digit is 0.

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