7 Divisibility Rules

A whole number is divisible by 2 if its last digit is an even number (0, 2, 4, 6, or 8).

A whole number is divisible by 5 if its last digit is 0 or 5.

A whole number is divisible by 10 if its last digit is 0.

A whole number is divisible by 3 if the sum of its digits is divisible by 3.

Yes, because the last digit is 6, which is an even number.

Yes, because the last digit is 0.

Yes, because 1 + 2 + 3 = 6, and 6 is divisible by 3.

82, because its last digit is 2, which is even.

A whole number is divisible by 4 if the last two digits form a number that is divisible by 4.

Yes, because the last two digits, 24, are divisible by 4.