Score: 0
Level: 1
0
Divisible by 2
If number ends in 0 or is even (= number is divisible by 2)
Divisible by 3
If the sum of digits is divisible by 3
Divisible by 4
If the last two digits form a number divisible by 4
Divisible by 5
If number ends in 0 or 5
Divisible by 6
If number is divisible by both 2 and 3
Divisible by 7
Double the last digit and subtract it from the rest of the number. The result must be divisible by 0 or 7