Sharmila's father invited guests to her birthday party. Each guest bought a gift for her. Those gifts are bears a number \(1\), \(2\), \(3\), …. 100 respectively. After the party, she is randomly unpacking the gifts. 
Then find the probability of picking the following gift number:
 
i) A prime number \(=\) ii
  
ii) A number divisible by \(7\) \(=\) ii