Mini-check

Front

Divisibility by 2

Back

Even number

Front

Divisibility by 3

Back

Sum of digits divisible by 3

Front

Divisibility by 4

Back

Last two digits divisible by 4

Front

Divisibility by 5

Back

Ends in 0 or 5

Front

Divisibility by 6

Back

Divisible by 2 and 3

Front

Divisibility by 8

Back

Last three digits divisible by 8

Front

Divisibility by 9

Back

Sum of digits divisible by 9

Front

Divisibility by 10

Back

Ends in 0

Front

Divisibility by 11

Back

sum of odd digits - sum of even digits divisible by 11

Front

Divisibility by 12

Back

Divisible by 3 and 4