c$)$ With respect to the IEEE $32-$bit floating number system, what is the largest N value such that $1/$N becomes too small to be representable?

What is the largest N value such that $1/($N $1)1/$N becomes too small to be representable?

What is the largest N value such that $1/$N is smaller than machine precision?

What is the largest N value such that $1/($N $1)1/$N is smaller than machine precision.