in our c program we are reading numbers from a file on our loca disk which is full of numbers our job is to determine if the numbers in the file are prime numbers or not if they are prime numbers we need to write the prime number count and the prime numbers themselves to a new output file to complete this task we want to use the struct variable, function to find the prime numbers, thread function to call the prime function and check if the number is prime and send the prime number count and prime numbers themselves to the main function which is implementing multithreading and slicing please explain with step by step guide with an example for simplicity and clarity