Seagate Technology CoSim Firmware Engineer ( Entry Level) interview questions

I was contacted by the interviewer on time . He started with his introduction and later gave a chance to go through my resume. Asked my role in few the of the projects mentioned in the resume. then asked two twchnical questions: 1. How to generate 100MHz clock using verilog, he asked to write the code for it. 2. C program to print first 10 prime numbers. Since this was a firmware role, he mentioned how important C programming was for this role as the candidate will be working mostly with C Language