Playing with Nu...

Which of the following numbers are not divisible by $$9$$?
$$36,90,157,243,514$$

Which of the following is not a composite number ?

Which list shows the first five multiples of $$2$$?

Smallest $$6$$ digit number divisible by $$6$$ is __________.

Numbers ending with $$0$$ or $$5$$ are divisible by ___________.

The number of prime numbers between $$0$$ and $$20$$ is

Which of the following is not a composite number?

The number which have more than two factors is called _____. 

Sum of first three prime numbers which end at 3 is: 

Which of the following pairs are co-prime?