please c language and a description of the solution

1. Create a C function getPrime() with one argument type of integer ,your function checks the integer number is prime or not. Output: when getPrime(5) , it will print "not prime".. you call your function 2.Create a C function type of double to process weekly employee time cards for all employees of an organization. Each employee will have three data items: an identification number, the hourly wage rate , and the number of hours worked during a given week. Each employee is to be paid time and a half for all hours worked over 40. A tax amount of 4% of gross salary will be deducted. The program output should show the employee's number and net pay