The greatest 3-digit number that is not divisible by 2, 3, 5, or 10 is 997.
Converse:If a number is divisible by 3, then every number of a digit is divisible by three. Inverse: If every digit of a number is not divisible by 3 then the number is not divisible by 3? Contrapositive:If a number is not divisible by 3, then every number of a digit is not divisible by three.
180
a 3 digit number that is divisible by on is a three digit number that is a multiple of one.
990
030
How about: 300
-10
997
101 !
the number 3 is divisible by 3
990.