For every positive even integer n, h(n) is defined as the product of all even number from 2 to n, inclusive. If p is the smallest prime factor of h(100)+1, then p is
- between 2 and 10
- between 10 and 20
- between 20 and 30
- between 30 and 40
- greater than 40
key: E
Please help. NN! Thanks a lot! |