18 is not divisible by 5 and 7.
138 is not divisible by 18.
20 is not divisible by 18.
-- Neither 2 nor 5 is divisible by 18. -- 18 is divisible by 2, but not by 5.
All multiples of 18 are divisible by 9. Not all multiples of 9 are divisible by 18.
18 is divisible by 1, 2, 3, 6, 9, and 18.
18, 36, 54, 72,...and all other multiples of 18 are divisible by 18.
The numbers which divide 2 and 9 are indirectly divisible by 18.
is 18 divisible by 9
Any even number divisible by 9, if the sum of the digits is divisible by 9. If it's an even number divisible by 9, it's divisible by 18.
18
Yes. The last digit is 0 so it is even and so divisible by 2. Its digits add to 9 so it is divisible by 9. Divisible by 2 and by 9 means divisible by 18.
The smallest number that is divisible by 18 and 48 is 144.