The contrapositive of the statement “If a number is divisible by 6, then it is divisible by both 2 and 3” is:
If a number is not divisible by 2 and 3, then it is not divisible by 6.
The contra positive of the statement “If a number is divisible by 6, then it is divisible by both 2 and 3” is “If a number is not divisible by 2 and 3, then it is not divisible by 6”.