For every positive even integer n, the function h(n) is defined to be the product of all the even integers from 2 to n,inclusive. If P is the smallest prime factor of h(100)+1, then P is

1)b/w 2 & 10
2)b/w 10 & 20
3)b/w 20 & 30
4)b/w 30 & 40
5) greater than 40