Divisibility

A number is divisible by: If....

​2

​the last digit is an even number (ends with 0, 2, 4, 6, or 8)

​3

​the sum of its digits is divisible by 3

​4

​the last two digits form a number divisible by 4

​5

​the last digit is 0 or 5

​A number is divisible by: If....

​6

​it is divisible by both 2 and 3

​8

​the last three digits form a number divisible by 8

​9

​the sum of its digits is divisible by 9

​10

​the last digit is 0

​Sometimes a number can be divisible by two or more numbers or be divisible by a larger number.

​For example:

​48,225 is divisible by 3 and 5.

​54,180 is divisible by 2, 9, and 10.

​94,572 is divisible by 12.

​12,840 is divisible by 60.

​73,300 is divisible by 100.